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{"workbook":{"problemsBrief":"{\"HDU-3722\":[\"Card Game\",714,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Tianjin+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Tianjin Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1668\":[\"Islands and Bridges\",115,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2004+Asia+Regional+Shanghai+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2004 Asia Regional Shanghai \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3189\":[\"Steady Cow Assignment\",1777,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+February+Gold\\\"\\u003eUSACO 2006 February Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2771\":[\"Guardian of Decency\",2006,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNorthwestern+Europe+2005\\\"\\u003eNorthwestern Europe 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1546\":[\"Idiomatic Phrases Game\",1004,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dZhejiang+Provincial+Programming+Contest+2006\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Zhejiang Provincial Programming Contest 2006 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3849\":[\"By Recognizing These Guys, We Find Social Networks Useful\",683,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Invitational+Contest+Host+by+BUPT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Invitational Contest Host by BUPT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1325\":[\"Machine Schedule\",6436,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2002\\\"\\u003eBeijing 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1548\":[\"A strange lift\",10281,\"\"],\"POJ-1201\":[\"Intervals\",8668,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+Europe+2002\\\"\\u003eSouthwestern Europe 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3605\":[\"Escape\",2284,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A817%A3%A9%A1%AA%A1%AAHost+by+ZSTU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（17）——Host by ZSTU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3621\":[\"Sightseeing Cows\",2350,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+December+Gold\\\"\\u003eUSACO 2007 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3046\":[\"Pleasant sheep and big big wolf\",877,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+14+-+Host+by+ZJNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 14 - Host by ZJNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2536\":[\"Gopher II\",3251,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2001.01.27\\\"\\u003eWaterloo local 2001.01.27\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3625\":[\"Building Roads\",2628,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+December+Silver\\\"\\u003eUSACO 2007 December Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2874\":[\"Connections between cities\",2801,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+8+-+Host+by+BJNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 8 - Host by BJNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1301\":[\"Jungle Roads\",7912,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dMid-Central+USA+2002\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Mid-Central USA 2002 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3047\":[\"Zjnu Stadium\",1966,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+14+-+Host+by+ZJNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 14 - Host by ZJNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3072\":[\"Robot\",446,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dStanford+Local+2006\\\"\\u003eStanford Local 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1435\":[\"Stable Match\",379,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d+ACM%CA%EE%C6%DA%BC%AF%D1%B5%B6%D3%C1%B7%CF%B0%C8%FC%A3%A8%CB%C4%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e ACM暑期集训队练习赛（四） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1558\":[\"Segment set\",1525,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2006-12+Programming+Contest+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2006-12 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2647\":[\"Reward\",4499,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D4%F8%CA%C7%BE%AA%BA%E8%D5%D5%D3%B0%C0%B4\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 曾是惊鸿照影来 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2768\":[\"Cat vs. Dog\",973,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dNWERC+2008\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e NWERC 2008 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1330\":[\"Nearest Common Ancestors\",13293,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTaejon+2002\\\"\\u003eTaejon 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2888\":[\"Check Corners\",1065,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+9+-+Host+by+HIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 9 - Host by HIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2767\":[\"Proving Equivalences\",2607,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dNWERC+2008\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e NWERC 2008 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1698\":[\"Alice\\u0027s Chance\",2114,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2004.07.18\\\"\\u003ePOJ Monthly--2004.07.18\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1456\":[\"Supermarket\",8706,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2003\\\"\\u003eSoutheastern Europe 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3635\":[\"Full Tank?\",3676,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNordic+2007\\\"\\u003eNordic 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1317\":[\"XYZZY\",1774,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUniversity+of+Waterloo+Local+Contest+2003.09.27\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e University of Waterloo Local Contest 2003.09.27 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1459\":[\"Power Network\",7450,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2003\\\"\\u003eSoutheastern Europe 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2883\":[\"kebab\",768,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+9+-+Host+by+HIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 9 - Host by HIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3172\":[\"Virtual Friends\",2351,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUniversity+of+Waterloo+Local+Contest+2008.09\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e University of Waterloo Local Contest 2008.09 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3084\":[\"Panic Room\",928,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouth+Central+USA+2006\\\"\\u003eSouth Central USA 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1325\":[\"Is It A Tree?\",5113,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dNorth+Central+North+America+1997\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e North Central North America 1997 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1688\":[\"Sightseeing\",554,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%BB%AA%B6%AB%C7%F8%B4%F3%D1%A7%C9%FA%B3%CC%D0%F2%C9%E8%BC%C6%D1%FB%C7%EB%C8%FC_%C8%C8%C9%ED%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 华东区大学生程序设计邀请赛_热身赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3169\":[\"Layout\",7131,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+December+Gold\\\"\\u003eUSACO 2005 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1420\":[\"Spreadsheet\",321,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+European+Regional+Contest+1995\\\"\\u003eSouthwestern European Regional Contest 1995\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1569\":[\"方格取数(2)\",1559,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHappy+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Happy 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1780\":[\"Code\",812,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2004\\\"\\u003eUlm Local 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3986\":[\"Harry Potter and the Final Battle\",913,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+15+-+Host+by+WHU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 15 - Host by WHU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2513\":[\"Colored Sticks\",5674,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dThe+UofA+Local+2000.10.14\\\"\\u003eThe UofA Local 2000.10.14\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2516\":[\"Minimum Cost\",4306,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2005.07.31\\\"\\u003ePOJ Monthly--2005.07.31\\u003c/a\\u003e, Wang Yijie\\u003c/div\\u003e\"],\"POJ-1548\":[\"Robots\",1713,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dMid-Central+USA+2003\\\"\\u003eMid-Central USA 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3860\":[\"Circuit Board\",80,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+3+-+Host+by+BIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 3 - Host by BIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1789\":[\"Truck History\",11818,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+Open+2003\\\"\\u003eCTU Open 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2894\":[\"DeBruijin\",569,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+10+-+Host+by+NIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 10 - Host by NIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3622\":[\"Bomb Game\",1438,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Regional+Tianjin+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Regional Tianjin Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3861\":[\"The King’s Problem\",1174,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+3+-+Host+by+BIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 3 - Host by BIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1565\":[\"方格取数(1)\",3241,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHappy+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Happy 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3728\":[\"The merchant\",1550,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly+Contest+%E2%80%93+2009.04.05\\\"\\u003ePOJ Monthly Contest – 2009.04.05\\u003c/a\\u003e, GaoYihan\\u003c/div\\u003e\"],\"HDU-2094\":[\"产生冠军\",13783,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D3%AD%BD%D3%D0%C2%D1%A7%C6%DA%A1%AA%A1%AA%B3%AC%BC%B6Easy%B0%E6%C8%C8%C9%ED%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 迎接新学期——超级Easy版热身赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3061\":[\"Battle\",576,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+16+-+Host+by+NIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 16 - Host by NIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3062\":[\"Party\",2446,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+16+-+Host+by+NIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 16 - Host by NIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3183\":[\"A Magic Lamp\",3034,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2009-11+Programming+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2009-11 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2762\":[\"Going from u to v or from v to u?\",3616,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.02.26\\\"\\u003ePOJ Monthly--2006.02.26\\u003c/a\\u003e,zgl \\u0026amp; twb\\u003c/div\\u003e\"],\"HDU-3879\":[\"Base Station\",765,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+5+-+Host+by+BNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 5 - Host by BNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3177\":[\"Redundant Paths\",5876,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+January+Gold\\\"\\u003eUSACO 2006 January Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1217\":[\"Arbitrage\",4036,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUniversity+of+Ulm+Local+Contest+1996\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e University of Ulm Local Contest 1996 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2426\":[\"Interesting Housing Problem\",895,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Hangzhou+Regional+Contest+Online\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Hangzhou Regional Contest Online \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3998\":[\"Sequence\",720,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+16+-+Host+by+TJU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 16 - Host by TJU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3635\":[\"Dragon Balls\",2978,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A819%A3%A9%A1%AA%A1%AAHost+by+HDU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（19）——Host by HDU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1797\":[\"Heavy Transportation\",12454,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTUD+Programming+Contest+2004\\\"\\u003eTUD Programming Contest 2004\\u003c/a\\u003e, Darmstadt, Germany\\u003c/div\\u003e\"],\"POJ-3613\":[\"Cow Relays\",2826,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+November+Gold\\\"\\u003eUSACO 2007 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1556\":[\"The Doors\",3402,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dMid-Central+USA+1996\\\"\\u003eMid-Central USA 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2524\":[\"Ubiquitous Religions\",17039,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dAlberta+Collegiate+Programming+Contest+2003.10.18\\\"\\u003eAlberta Collegiate Programming Contest 2003.10.18\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2400\":[\"Supervisor, Supervisee\",642,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTehran+2003+Preliminary\\\"\\u003eTehran 2003 Preliminary\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2763\":[\"Housewife Wind\",2921,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.02.26\\\"\\u003ePOJ Monthly--2006.02.26\\u003c/a\\u003e,zgl \\u0026amp; twb\\u003c/div\\u003e\"],\"HDU-3639\":[\"Hawk-and-Chicken\",1409,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A819%A3%A9%A1%AA%A1%AAHost+by+HDU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（19）——Host by HDU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3870\":[\"Catch the Theves\",378,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+4+-+Host+by+SDU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 4 - Host by SDU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1438\":[\"One-way Traffic\",238,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+2002\\\"\\u003eCentral Europe 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3078\":[\"Network\",947,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+17+-+Host+by+NUDT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 17 - Host by NUDT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1690\":[\"Bus System\",1837,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+%A1%B0Sunline+Cup%A1%B1+National+Invitational+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 “Sunline Cup” National Invitational Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3615\":[\"Cow Hurdles\",3236,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+November+Silver\\\"\\u003eUSACO 2007 November Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1679\":[\"The Unique MST\",10588,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2004.06.27+srbga%40POJ\\\"\\u003ePOJ Monthly--2004.06.27 srbga@POJ\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3996\":[\"Gold Mine\",461,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+16+-+Host+by+TJU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 16 - Host by TJU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2544\":[\"最短路\",26403,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUESTC+6th+Programming+Contest+Online\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e UESTC 6th Programming Contest Online \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1213\":[\"How Many Tables\",26270,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%BA%BC%B5%E7ACM%CA%A1%C8%FC%BC%AF%D1%B5%B6%D3%D1%A1%B0%CE%C8%FC%D6%AE%C8%C8%C9%ED%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 杭电ACM省赛集训队选拔赛之热身赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3631\":[\"Shortest Path\",1365,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Regional+Tianjin+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Regional Tianjin Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3873\":[\"Invade the Mars\",619,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+4+-+Host+by+SDU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 4 - Host by SDU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3191\":[\"How Many Paths Are There\",462,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2009-12+Programming+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2009-12 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3072\":[\"Intelligence System\",1238,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+17+-+Host+by+NUDT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 17 - Host by NUDT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3180\":[\"The Cow Prom\",1757,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+January+Silver\\\"\\u003eUSACO 2006 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3422\":[\"Kaka\\u0027s Matrix Travels\",2808,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.10.06\\\"\\u003ePOJ Monthly--2007.10.06\\u003c/a\\u003e, Huang, Jinsong\\u003c/div\\u003e\"],\"HDU-3768\":[\"Shopping\",303,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUniversity+of+Waterloo+Local+Contest+2010.07.10+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e University of Waterloo Local Contest 2010.07.10 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1364\":[\"King\",3447,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1997\\\"\\u003eCentral Europe 1997\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1486\":[\"Sorting Slides\",1759,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+European+Regional+Contest+1998\\\"\\u003eSouthwestern European Regional Contest 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3662\":[\"Telephone Lines\",3344,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2008+January+Silver\\\"\\u003eUSACO 2008 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2699\":[\"The Maximum Number of Strong Kings\",941,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTaiwan+2004\\\"\\u003eTaiwan 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2457\":[\"Part Acquisition\",1712,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+February+Silver\\\"\\u003eUSACO 2005 February Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2337\":[\"Catenyms\",2107,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2003.01.25\\\"\\u003eWaterloo local 2003.01.25\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2455\":[\"Secret Milking Machine\",2202,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+February+Gold\\\"\\u003eUSACO 2005 February Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1125\":[\"Stockbroker Grapevine\",18287,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthern+African+2001\\\"\\u003eSouthern African 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3308\":[\"Paratroopers\",1818,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dAmirkabir+University+of+Technology+Local+Contest+2006\\\"\\u003eAmirkabir University of Technology Local Contest 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1128\":[\"Frame Stacking\",1656,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthern+African+2001\\\"\\u003eSouthern African 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3549\":[\"GSM phone\",34,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2003\\\"\\u003eNortheastern Europe 2003\\u003c/a\\u003e, Western Subregion\\u003c/div\\u003e\"],\"POJ-1129\":[\"Channel Allocation\",7447,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthern+African+2001\\\"\\u003eSouthern African 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3523\":[\"Image copy detection\",278,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A89%A3%A9%A1%AA%A1%AAHost+by+HNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（9）——Host by HNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1224\":[\"Free DIY Tour\",2308,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%BA%BC%D6%DD%B5%E7%D7%D3%BF%C6%BC%BC%B4%F3%D1%A7%B5%DA%C8%FD%BD%EC%B3%CC%D0%F2%C9%E8%BC%C6%B4%F3%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 杭州电子科技大学第三届程序设计大赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2433\":[\"Travel\",876,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Chengdu+Regional+Contest+Online\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Chengdu Regional Contest Online \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1102\":[\"Constructing Roads\",9585,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dkicc\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e kicc \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3081\":[\"Marriage Match II\",1236,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2nd+%A1%B0Vegetable-Birds+Cup%A1%B1+Programming+Open+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2nd “Vegetable-Birds Cup” Programming Open Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3416\":[\"Marriage Match IV\",1525,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.06.05\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.06.05 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1116\":[\"Play on Words\",2924,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dCentral+Europe+1999\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Central Europe 1999 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3311\":[\"Hie with the Pie\",5335,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+2006\\\"\\u003eEast Central North America 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1599\":[\"find the mincost route\",2592,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007-Spring+Programming+Contest+-+Warm+Up+%A3%A81%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007-Spring Programming Contest - Warm Up （1） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3553\":[\"Task schedule\",345,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2003\\\"\\u003eNortheastern Europe 2003\\u003c/a\\u003e, Western Subregion\\u003c/div\\u003e\"],\"HDU-2448\":[\"Mining Station on the Sea\",745,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Regional+Harbin\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Regional Harbin \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3657\":[\"Game\",481,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Regional+Chengdu+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Regional Chengdu Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2584\":[\"T-Shirt Gumbo\",1428,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouth+Central+USA+2003\\\"\\u003eSouth Central USA 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1258\":[\"Agri-Net\",23779,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+102\\\"\\u003eUSACO 102\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2226\":[\"Muddy Fields\",4089,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+January+Gold\\\"\\u003eUSACO 2005 January Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3678\":[\"Katu Puzzle\",3406,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.07.27\\\"\\u003ePOJ Founder Monthly Contest – 2008.07.27\\u003c/a\\u003e, Dagger\\u003c/div\\u003e\"],\"POJ-3436\":[\"ACM Computer Factory\",3017,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2005\\\"\\u003eNortheastern Europe 2005\\u003c/a\\u003e, Far-Eastern Subregion\\u003c/div\\u003e\"],\"HDU-1914\":[\"The Stable Marriage Problem\",468,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dSoutheastern+Europe+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Southeastern Europe 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1135\":[\"Domino Effect\",2100,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+European+Regional+Contest+1996\\\"\\u003eSouthwestern European Regional Contest 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1350\":[\"Taxi Cab Scheme\",745,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dNorthwestern+Europe+2004\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Northwestern Europe 2004 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2680\":[\"Choose the best route\",5311,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009%D5%E3%BD%AD%B4%F3%D1%A7%BC%C6%CB%E3%BB%FA%D1%D0%BF%BC%B8%B4%CA%D4%A3%A8%BB%FA%CA%D4%B2%BF%B7%D6%A3%A9%A1%AA%A1%AA%C8%AB%D5%E6%C4%A3%C4%E2\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009浙江大学计算机研考复试（机试部分）——全真模拟 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3439\":[\"Server Relocation\",558,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dRocky+Mountain+2007\\\"\\u003eRocky Mountain 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2349\":[\"Arctic Network\",7983,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2002.09.28\\\"\\u003eWaterloo local 2002.09.28\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-4067\":[\"Random Maze\",449,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+36th+ACM%2FICPC+Asia+Regional+Fuzhou+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 36th ACM/ICPC Asia Regional Fuzhou Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1596\":[\"find the safest road\",4499,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007-Spring+Programming+Contest+-+Warm+Up+%A3%A81%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007-Spring Programming Contest - Warm Up （1） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1233\":[\"还是畅通工程\",22125,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D5%E3%B4%F3%BC%C6%CB%E3%BB%FA%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C9%CF%BB%FA%BF%BC%CA%D4-2006%C4%EA\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 浙大计算机研究生复试上机考试-2006年 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3896\":[\"Greatest TC\",199,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+6+-+Host+by+JLU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 6 - Host by JLU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1595\":[\"find the longest of the shortest\",1714,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007-Spring+Programming+Contest+-+Warm+Up+%A3%A81%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007-Spring Programming Contest - Warm Up （1） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1232\":[\"畅通工程\",31820,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D5%E3%B4%F3%BC%C6%CB%E3%BB%FA%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C9%CF%BB%FA%BF%BC%CA%D4-2005%C4%EA\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 浙大计算机研究生复试上机考试-2005年 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1598\":[\"find the most comfortable road\",3215,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007-Spring+Programming+Contest+-+Warm+Up+%A3%A81%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007-Spring Programming Contest - Warm Up （1） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1815\":[\"Friendship\",1602,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2686\":[\"Matrix\",950,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dZJFC+2009-3+Programming+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e ZJFC 2009-3 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2444\":[\"The Accomodation of Students\",4115,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Harbin+Regional+Contest+Online\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Harbin Regional Contest Online \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-4183\":[\"Pahom on Water\",472,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+2011+South+Pacific+Programming+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 2011 South Pacific Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-4063\":[\"Aircraft\",221,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+36th+ACM%2FICPC+Asia+Regional+Fuzhou+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 36th ACM/ICPC Asia Regional Fuzhou Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2230\":[\"Watchcow\",3290,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+January+Silver\\\"\\u003eUSACO 2005 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2472\":[\"106 miles to Chicago\",1787,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2005\\\"\\u003eUlm Local 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3680\":[\"Intervals\",2261,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.07.27\\\"\\u003ePOJ Founder Monthly Contest – 2008.07.27\\u003c/a\\u003e, windy7926778\\r\\u003cbr\\u003e\\u003c/div\\u003e\"],\"POJ-3521\":[\"Geometric Map\",131,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2007\\\"\\u003eJapan 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2553\":[\"The Bottom of a Graph\",3772,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2003\\\"\\u003eUlm Local 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3549\":[\"Flow Problem\",6546,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHyperHexagon%26%23039%3Bs+Summer+Gift+%28Original+tasks%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HyperHexagon\\u0027s Summer Gift (Original tasks) \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3762\":[\"The Bonus Salary!\",447,\"\"],\"HDU-3667\":[\"Transportation\",945,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Regional+Harbin\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Regional Harbin \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2672\":[\"Hotkeys\",181,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2005+Preliminary\\\"\\u003eBeijing 2005 Preliminary\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2312\":[\"Battle City\",3054,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,鲁小石\\u003c/div\\u003e\"],\"POJ-3522\":[\"Slim Span\",4333,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2007\\\"\\u003eJapan 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3648\":[\"Wedding\",2120,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+Local+Contest\\\"\\u003eWaterloo Local Contest\\u003c/a\\u003e, 2007.9.29\\u003c/div\\u003e\"],\"POJ-1469\":[\"COURSES\",7878,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2000\\\"\\u003eSoutheastern Europe 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1904\":[\"King\\u0027s Quest\",2275,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2003\\\"\\u003eNortheastern Europe 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3666\":[\"THE MATRIX PROBLEM\",1126,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Regional+Harbin\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Regional Harbin \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1245\":[\"Saving James Bond\",654,\"\"],\"POJ-1470\":[\"Closest Common Ancestors\",4380,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2000\\\"\\u003eSoutheastern Europe 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2560\":[\"Freckles\",3614,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2000.09.23\\\"\\u003eWaterloo local 2000.09.23\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1811\":[\"Rank of Tetris\",2912,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+2007+Summer+Exercise%A3%A82%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ 2007 Summer Exercise（2） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3315\":[\"My Brute\",439,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+%A1%B0Valentines+Day%A1%B1+Open+Programming+Contest+2010-02-14+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU “Valentines Day” Open Programming Contest 2010-02-14 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2446\":[\"Chessboard\",4351,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,charlescpp\\u003c/div\\u003e\"],\"POJ-1236\":[\"Network of Schools\",8432,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dIOI+1996\\\"\\u003eIOI 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1815\":[\"Building roads\",447,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dPOJ+Monthly+-+2006.01.22+-+zhucheng\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e POJ Monthly - 2006.01.22 - zhucheng \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1814\":[\"Peaceful Commission\",1538,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dPOI+2001\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e POI 2001 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3551\":[\"Hard Problem\",283,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHyperHexagon%26%23039%3Bs+Summer+Gift+%28Original+tasks%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HyperHexagon\\u0027s Summer Gift (Original tasks) \\u003c/a\\u003e 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2009 Spring Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3313\":[\"Key Vertex\",271,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.02.06+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.02.06 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3435\":[\"A new Graph Game\",876,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A81%A3%A9%A1%AA%A1%AAHost+by+FZU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（1）——Host by FZU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3311\":[\"Dig The Wells\",475,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.02.06+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.02.06 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1498\":[\"50 years, 50 colors\",1652,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%A1%B02006%D0%A3%D4%B0%CE%C4%BB%AF%BB%EE%B6%AF%D4%C2%A1%B1%D6%AE%A1%B0%D0%A3%C7%EC%B1%AD%A1%B1%B4%F3%D1%A7%C9%FA%B3%CC%D0%F2%C9%E8%BC%C6%BE%BA%C8%FC%F4%DF%BA%BC%D6%DD%B5%E7%D7%D3%BF%C6%BC%BC%B4%F3%D1%A7%B5%DA%CB%C4%BD%EC%B4%F3%D1%A7%C9%FA%B3%CC%D0%F2%C9%E8%BC%C6%BE%BA%C8%FC+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e “2006校园文化活动月”之“校庆杯”大学生程序设计竞赛暨杭州电子科技大学第四届大学生程序设计竞赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2224\":[\"The shortest path\",636,\"\"],\"HDU-4081\":[\"Qin Shi Huang\\u0027s National Road 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href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Asia+Beijing+Regional+Contest+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Asia Beijing Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3660\":[\"Cow Contest\",11193,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2008+January+Silver\\\"\\u003eUSACO 2008 January Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2570\":[\"Fiber Network\",1340,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+2001\\\"\\u003eUlm Local 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1287\":[\"Networking\",11408,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2002\\\"\\u003eSoutheastern Europe 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2377\":[\"Bad Cowtractors\",6140,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+December+Silver\\\"\\u003eUSACO 2004 December Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2135\":[\"Farm Tour\",5147,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+February+Green\\\"\\u003eUSACO 2003 February Green\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1269\":[\"迷宫城堡\",8010,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2006-4+Programming+Contest+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2006-4 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2253\":[\"Frogger\",17648,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+1997\\\"\\u003eUlm Local 1997\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2119\":[\"Matrix\",1527,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007-10++Programming+Contest_WarmUp\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007-10 Programming Contest_WarmUp \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3343\":[\"Against Mammoths\",396,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTehran+2006\\\"\\u003eTehran 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3463\":[\"Sightseeing\",2864,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBAPC+2006+Qualification\\\"\\u003eBAPC 2006 Qualification\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2375\":[\"Cow Ski Area\",807,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+December+Gold\\\"\\u003eUSACO 2004 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1824\":[\"Let\\u0027s go home\",979,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+2007+Summer+Exercise%A3%A83%A3%A9-+Hold+by+Wiskey\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ 2007 Summer Exercise（3）- Hold by Wiskey \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3469\":[\"Dual Core CPU\",4492,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.11.25\\\"\\u003ePOJ Monthly--2007.11.25\\u003c/a\\u003e, Zhou Dong\\u003c/div\\u003e\"],\"POJ-2139\":[\"Six Degrees of Cowvin Bacon\",4163,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+March+Orange\\\"\\u003eUSACO 2003 March Orange\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3228\":[\"Gold Transportation\",963,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouth+Central+China+2007+hosted+by+NUDT\\\"\\u003eSouth Central China 2007 hosted by NUDT\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1966\":[\"Cable TV Network\",1834,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2004\\\"\\u003eSoutheastern Europe 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1724\":[\"ROADS\",4879,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCEOI+1998\\\"\\u003eCEOI 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1385\":[\"Minimum Transport Cost\",2727,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dAsia+1996%2C+Shanghai+%28Mainland+China%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Asia 1996, Shanghai (Mainland China) \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3440\":[\"House Man\",1137,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A81%A3%A9%A1%AA%A1%AAHost+by+FZU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（1）——Host by FZU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2473\":[\"Junk-Mail Filter\",2532,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Regional+Hangzhou\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Regional Hangzhou \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1384\":[\"Intervals\",1327,\"\"],\"HDU-1142\":[\"A Walk Through the Forest\",2772,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUniversity+of+Waterloo+Local+Contest+2005.09.24\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e University of Waterloo Local Contest 2005.09.24 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2112\":[\"HDU Today\",6710,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dACM%B3%CC%D0%F2%C9%E8%BC%C6_%C6%DA%C4%A9%BF%BC%CA%D4%A3%A8%CA%B1%BC%E4%D2%D1%B6%A8%A3%A1%A3%A1%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e ACM程序设计_期末考试（时间已定！！） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1847\":[\"Tram\",6395,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCroatia+OI+2002+Regional+-+Juniors\\\"\\u003eCroatia OI 2002 Regional - Juniors\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3905\":[\"Perfect Election\",505,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+European+Regional+Programming+Contest+2008\\\"\\u003eSoutheastern European Regional Programming Contest 2008\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2236\":[\"无题II\",695,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+2008+Summer+Exercise%A3%A82%A3%A9-+Hold+by+Captain+Xu\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ 2008 Summer Exercise（2）- Hold by Captain Xu \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1816\":[\"Get Luffy Out *\",417,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dBeijing+2005\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Beijing 2005 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3352\":[\"Road Construction\",5391,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCCC+2007\\\"\\u003eCCC 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3594\":[\"Escort of Dr. Who How\",460,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPKU+Campus+2008+%28POJ+Founder+Monthly+Contest+%E2%80%93+2008.05.10%29\\\"\\u003ePKU Campus 2008 (POJ Founder Monthly Contest – 2008.05.10)\\u003c/a\\u003e, frkstyc\\u003c/div\\u003e\"],\"POJ-3592\":[\"Instantaneous Transference\",1032,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouth+Central+China+2008+hosted+by+NUDT\\\"\\u003eSouth Central China 2008 hosted by NUDT\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3339\":[\"In Action\",2078,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.03.06\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.03.06 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2387\":[\"Til the Cows Come Home\",22772,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+November\\\"\\u003eUSACO 2004 November\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3114\":[\"Countries in War\",1034,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouth+America+2006\\\"\\u003eSouth America 2006\\u003c/a\\u003e, Brazil Subregion\\u003c/div\\u003e\"],\"HDU-3338\":[\"Kakuro Extension\",698,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.03.06\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.03.06 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1956\":[\"Sightseeing tour\",244,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dNWERC2003\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e NWERC2003 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1611\":[\"The Suspects\",24137,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dAsia+Kaohsiung+2003\\\"\\u003eAsia Kaohsiung 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2942\":[\"Knights of the Round Table\",2905,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+2005\\\"\\u003eCentral Europe 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2923\":[\"Einbahnstrasse\",1074,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+ANARC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 ANARC \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1272\":[\"小希的迷宫\",17163,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2006-4+Programming+Contest+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2006-4 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2482\":[\"Transit search\",268,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Regional+Chengdu\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Regional Chengdu \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1151\":[\"Air Raid\",4305,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dAsia+2002%2C+Dhaka+%28Bengal%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Asia 2002, Dhaka (Bengal) \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2485\":[\"Destroying the bus stations\",799,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Regional+Beijing\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Regional Beijing \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1733\":[\"Parity game\",4777,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCEOI+1999\\\"\\u003eCEOI 1999\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3572\":[\"Task Schedule\",2109,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A813%A3%A9%A1%AA%A1%AAHost+by+UESTC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（13）——Host by UESTC \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1734\":[\"Sightseeing trip\",2683,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCEOI+1999\\\"\\u003eCEOI 1999\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2242\":[\"考研路茫茫——空调教室\",885,\"\"],\"HDU-2363\":[\"Cycling\",396,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dbapc2007_pre\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e bapc2007_pre \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2121\":[\"Ice_cream’s world II\",1431,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007-10++Programming+Contest_WarmUp\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007-10 Programming Contest_WarmUp \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2949\":[\"Word Rings\",875,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+2005\\\"\\u003eCentral Europe 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2489\":[\"Minimal Ratio Tree\",1365,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Asia+Regional+Beijing\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Asia Regional Beijing \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3691\":[\"Nubulsa Expo\",542,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Fuzhou+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Fuzhou Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1150\":[\"Machine Schedule\",4376,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dAsia+2002%2C+Beijing+%28Mainland+China%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Asia 2002, Beijing (Mainland China) \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1827\":[\"Summer Holiday\",2183,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+2007+Summer+Exercise%A3%A83%A3%A9-+Hold+by+Wiskey\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ 2007 Summer Exercise（3）- Hold by Wiskey \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2391\":[\"Ombrophobic Bovines\",2501,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+March+Gold\\\"\\u003eUSACO 2005 March Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1829\":[\"A Bug\\u0027s Life\",4318,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dTUD+Programming+Contest+2005%2C+Darmstadt%2C+Germany\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e TUD Programming Contest 2005, Darmstadt, Germany \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2394\":[\"Checking an Alibi\",2118,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+March+Silver\\\"\\u003eUSACO 2005 March Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2395\":[\"Out of Hay\",6525,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+March+Silver\\\"\\u003eUSACO 2005 March Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1182\":[\"食物链\",25468,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNoi+01\\\"\\u003eNoi 01\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1062\":[\"昂贵的聘礼\",14722,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003d%E6%B5%99%E6%B1%9F\\\"\\u003e浙江\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2112\":[\"Optimal Milking\",4528,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+U+S+Open\\\"\\u003eUSACO 2003 U S Open\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3565\":[\"Ants\",1814,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2007\\\"\\u003eNortheastern Europe 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1386\":[\"Play on Words\",3675,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1999\\\"\\u003eCentral Europe 1999\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3686\":[\"The Windy\\u0027s\",1783,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.08.31\\\"\\u003ePOJ Founder Monthly Contest – 2008.08.31\\u003c/a\\u003e, windy7926778\\u003c/div\\u003e\"],\"POJ-2594\":[\"Treasure Exploration\",3635,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2005.08.28\\\"\\u003ePOJ Monthly--2005.08.28\\u003c/a\\u003e,Li Haoyuan\\u003c/div\\u003e\"],\"POJ-3683\":[\"Priest John\\u0027s Busiest Day\",2673,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.08.31\\\"\\u003ePOJ Founder Monthly Contest – 2008.08.31\\u003c/a\\u003e, Dagger and Facer\\u003c/div\\u003e\"],\"POJ-1149\":[\"PIGS\",6888,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCroatia+OI+2002+Final+Exam+-+First+day\\\"\\u003eCroatia OI 2002 Final Exam - First day\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2813\":[\"One fihgt one\",622,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+1st+%A1%B0Old-Vegetable-Birds+Cup%A1%B1+Programming+Open+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 1st “Old-Vegetable-Birds Cup” Programming Open Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1845\":[\"Jimmy’s Assignment\",716,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dPolitehnica+University+of+Bucharest+Local+Team+Contest+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Politehnica University of Bucharest Local Team Contest 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2236\":[\"Wireless Network\",16664,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,HQM\\u003c/div\\u003e\"],\"POJ-3687\":[\"Labeling Balls\",4104,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Founder+Monthly+Contest+%E2%80%93+2008.08.31\\\"\\u003ePOJ Founder Monthly Contest – 2008.08.31\\u003c/a\\u003e, windy7926778\\u003c/div\\u003e\"],\"POJ-3204\":[\"Ikki\\u0027s Story I - Road Reconstruction\",1517,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.03.04\\\"\\u003ePOJ Monthly--2007.03.04\\u003c/a\\u003e, Ikki\\u003c/div\\u003e\"],\"HDU-3342\":[\"Legal or Not\",5620,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.03.06\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.03.06 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2912\":[\"Rochambeau\",2093,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBaidu+Star+2006+Preliminary\\\"\\u003eBaidu Star 2006 Preliminary\\u003c/a\\u003e\\r\\u003cbr\\u003eChen, Shixi (xreborner) living in http://fairyair.yeah.net/\\u003c/div\\u003e\"],\"POJ-1703\":[\"Find them, Catch them\",13275,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2004.07.18\\\"\\u003ePOJ Monthly--2004.07.18\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3585\":[\"maximum shortest distance\",475,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A815%A3%A9%A1%AA%A1%AAHost+by+NUDT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（15）——Host by NUDT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1162\":[\"Eddy\\u0027s picture\",5214,\"\"],\"HDU-3461\":[\"Code Lock\",807,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A83%A3%A9%A1%AA%A1%AAHost+by+WHU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（3）——Host by WHU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2239\":[\"Selecting Courses\",4287,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly\\\"\\u003ePOJ Monthly\\u003c/a\\u003e,Li Haoyuan\\u003c/div\\u003e\"],\"POJ-3207\":[\"Ikki\\u0027s Story IV - Panda\\u0027s Trick\",3158,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.03.04\\\"\\u003ePOJ Monthly--2007.03.04\\u003c/a\\u003e, Ikki\\u003c/div\\u003e\"],\"POJ-3328\":[\"Cliff Climbing\",561,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2007+Domestic\\\"\\u003eJapan 2007 Domestic\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1285\":[\"确定比赛名次\",13613,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%BA%BC%B5%E7ACM%BC%AF%D1%B5%B6%D3%D1%B5%C1%B7%C8%FC%A3%A8VII%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 杭电ACM集训队训练赛（VII） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2377\":[\"Bus Pass\",423,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dbapc2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e bapc2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3468\":[\"Treasure Hunting\",450,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A83%A3%A9%A1%AA%A1%AAHost+by+WHU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（3）——Host by WHU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1949\":[\"Chores\",2757,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2002+February\\\"\\u003eUSACO 2002 February\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1045\":[\"Fire Net\",9409,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dZhejiang+University+Local+Contest+2001\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Zhejiang University Local Contest 2001 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2255\":[\"奔小康赚大钱\",4917,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+2008+Summer+Exercise%A3%A84%A3%A9-+Buffet+Dinner\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ 2008 Summer Exercise（4）- Buffet Dinner \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2914\":[\"Minimum Cut\",2722,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBaidu+Star+2006+Semifinal\\\"\\u003eBaidu Star 2006 Semifinal\\u003c/a\\u003e\\r\\u003cbr\\u003eWang, Ying (Originator)\\r\\u003cbr\\u003eChen, Shixi (Test cases)\\u003c/div\\u003e\"],\"HDU-1281\":[\"棋盘游戏\",4291,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%BA%BC%B5%E7ACM%BC%AF%D1%B5%B6%D3%D1%B5%C1%B7%C8%FC%A3%A8VI%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 杭电ACM集训队训练赛（VI） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2807\":[\"The Shortest Path\",746,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2009-4+Programming+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2009-4 Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1839\":[\"Delay Constrained Maximum Capacity Path\",711,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dPolitehnica+University+of+Bucharest+Local+Team+Contest+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Politehnica University of Bucharest Local Team Contest 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2240\":[\"Arbitrage\",9895,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUlm+Local+1996\\\"\\u003eUlm Local 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1273\":[\"Drainage 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lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dMid-Central+European+Regional+Contest+2000\\\"\\u003eMid-Central European Regional Contest 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1853\":[\"Cyclic Tour\",1237,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007+Programming+Contest+-+Final\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007 Programming Contest - Final \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1274\":[\"The Perfect Stall\",9927,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+40\\\"\\u003eUSACO 40\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3694\":[\"Network\",3013,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003d2008+Asia+Hefei+Regional+Contest+Online+by+USTC\\\"\\u003e2008 Asia Hefei Regional Contest Online by USTC\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3118\":[\"Arbiter\",652,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Asia+Wuhan+Regional+Contest+Online\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Asia Wuhan Regional Contest Online \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2485\":[\"Highways\",13125,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Contest\\\"\\u003ePOJ Contest\\u003c/a\\u003e,Author:Mathematica@ZSU\\u003c/div\\u003e\"],\"POJ-1275\":[\"Cashier Employment\",2619,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTehran+2000\\\"\\u003eTehran 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3216\":[\"Repairing Company\",1464,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2007.04.01\\\"\\u003ePOJ Monthly--2007.04.01\\u003c/a\\u003e, crazyb0y\\u003c/div\\u003e\"],\"HDU-1856\":[\"More is better\",8875,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+2007+Programming+Contest+-+Final\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 2007 Programming Contest - Final \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2367\":[\"Genealogical tree\",6038,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUral+State+University+Internal+Contest+October%272000+Junior+Session\\\"\\u003eUral State University Internal Contest October\\u00272000 Junior Session\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2125\":[\"Destroying The Graph\",1703,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2003\\\"\\u003eNortheastern Europe 2003\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"HDU-3472\":[\"HS BDC\",417,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A84%A3%A9%A1%AA%A1%AAHost+by+UESTC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（4）——Host by UESTC \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3231\":[\"Box Relations\",511,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Asia+Wuhan+Regional+Contest+Hosted+by+Wuhan+University\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Asia Wuhan Regional Contest Hosted by Wuhan University \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3594\":[\"Cactus\",783,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A816%A3%A9%A1%AA%A1%AAHost+by+NUDT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（16）——Host by NUDT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3234\":[\"Exclusive-OR\",746,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Asia+Wuhan+Regional+Contest+Hosted+by+Wuhan+University\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Asia Wuhan Regional Contest Hosted by Wuhan University \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1716\":[\"Integer Intervals\",4546,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCEOI+1997\\\"\\u003eCEOI 1997\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1179\":[\"Ollivanders: Makers of Fine Wands since 382 BC.\",1400,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dGardon-DYGG+Contest+1\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Gardon-DYGG Contest 1 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1719\":[\"Shooting Contest\",1233,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCEOI+1997\\\"\\u003eCEOI 1997\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3592\":[\"World Exhibition\",1062,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A815%A3%A9%A1%AA%A1%AAHost+by+NUDT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（15）——Host by NUDT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2818\":[\"Building Block\",1561,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+1+-+Host+by+TJU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 1 - Host by TJU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2819\":[\"Swap\",2247,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+1+-+Host+by+TJU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 1 - Host by TJU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1041\":[\"John\\u0027s trip\",2773,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1995\\\"\\u003eCentral Europe 1995\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1161\":[\"Walls\",2089,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dIOI+2000\\\"\\u003eIOI 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3268\":[\"Silver Cow Party\",14766,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+February+Silver\\\"\\u003eUSACO 2007 February Silver\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1863\":[\"畅通工程\",14308,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D5%E3%B4%F3%BC%C6%CB%E3%BB%FA%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C9%CF%BB%FA%BF%BC%CA%D4-2007%C4%EA\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 浙大计算机研究生复试上机考试-2007年 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1087\":[\"A Plug for UNIX\",5080,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+1999\\\"\\u003eEast Central North America 1999\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2833\":[\"WuKong\",565,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+2+-+Host+by+TJU+\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 2 - Host by TJU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3926\":[\"Hand in Hand\",823,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+9+-+Host+by+BJTU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 9 - Host by BJTU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1507\":[\"Uncle Tom\\u0027s Inherited Land*\",1284,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dSouth+America+2002+-++Practice\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e South America 2002 - Practice \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1869\":[\"六度分离\",4612,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008%BA%BC%B5%E7%BC%AF%D1%B5%B6%D3%D1%A1%B0%CE%C8%FC%A1%AA%A1%AA%C8%C8%C9%ED%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008杭电集训队选拔赛——热身赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3486\":[\"Interviewe\",1827,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A85%A3%A9%A1%AA%A1%AAHost+by+BJTU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（5）——Host by BJTU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3002\":[\"King of Destruction\",435,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+11+-+Host+by+HRBEU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 11 - Host by HRBEU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1068\":[\"Girls and Boys\",5341,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dSoutheastern+Europe+2000\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Southeastern Europe 2000 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3488\":[\"Tour\",1754,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A86%A3%A9%A1%AA%A1%AAHost+by+BIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（6）——Host by BIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3367\":[\"Pseudoforest\",1125,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%A1%B0%B9%E2%CD%A5%B1%AD%A1%B1%B5%DA%CE%E5%BD%EC%BB%AA%D6%D0%B1%B1%C7%F8%B3%CC%D0%F2%C9%E8%BC%C6%D1%FB%C7%EB%C8%FC+%F4%DF+WHU%B5%DA%B0%CB%BD%EC%B3%CC%D0%F2%C9%E8%BC%C6%BE%BA%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e “光庭杯”第五届华中北区程序设计邀请赛 暨 WHU第八届程序设计竞赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3360\":[\"National Treasures\",415,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+ANARC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 ANARC \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2060\":[\"Taxi Cab Scheme\",2439,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNorthwestern+Europe+2004\\\"\\u003eNorthwestern Europe 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3917\":[\"Road constructions\",433,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+8+-+Host+by+HUST\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 8 - Host by HUST \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2186\":[\"Popular Cows\",11703,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2003+Fall\\\"\\u003eUSACO 2003 Fall\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1094\":[\"Sorting It All Out\",10968,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+2001\\\"\\u003eEast Central North America 2001\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1875\":[\"畅通工程再续\",12100,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008%D5%E3%B4%F3%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C8%C8%C9%ED%C8%FC%A3%A82%A3%A9%A1%AA%A1%AA%C8%AB%D5%E6%C4%A3%C4%E2\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008浙大研究生复试热身赛（2）——全真模拟 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2722\":[\"Here We Go(relians) Again\",593,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dMid-Central+USA+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Mid-Central USA 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1874\":[\"畅通工程续\",17957,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008%D5%E3%B4%F3%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C8%C8%C9%ED%C8%FC%A3%A82%A3%A9%A1%AA%A1%AA%C8%AB%D5%E6%C4%A3%C4%E2\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008浙大研究生复试热身赛（2）——全真模拟 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3037\":[\"Skiing\",1100,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+October+Gold\\\"\\u003eUSACO 2005 October Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3155\":[\"Hard Life\",1505,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2006\\\"\\u003eNortheastern Europe 2006\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3018\":[\"Ant Trip\",1700,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+12+-+Host+by+FZU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 12 - Host by FZU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2723\":[\"Electronic Document Security\",177,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dMid-Central+USA+2007\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Mid-Central USA 2007 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1879\":[\"继续畅通工程\",9477,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D5%E3%B4%F3%BC%C6%CB%E3%BB%FA%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C9%CF%BB%FA%BF%BC%CA%D4-2008%C4%EA\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 浙大计算机研究生复试上机考试-2008年 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3938\":[\"Portal\",1101,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+10+-+Host+by+HRBEU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 10 - Host by HRBEU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2502\":[\"Subway\",4007,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dWaterloo+local+2001.09.22\\\"\\u003eWaterloo local 2001.09.22\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1878\":[\"欧拉回路\",6264,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d%D5%E3%B4%F3%BC%C6%CB%E3%BB%FA%D1%D0%BE%BF%C9%FA%B8%B4%CA%D4%C9%CF%BB%FA%BF%BC%CA%D4-2008%C4%EA\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 浙大计算机研究生复试上机考试-2008年 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2983\":[\"Is the Information Reliable?\",2835,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.08.27\\\"\\u003ePOJ Monthly--2006.08.27\\u003c/a\\u003e, Dagger\\u003c/div\\u003e\"],\"POJ-3159\":[\"Candies\",7552,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.12.31\\\"\\u003ePOJ Monthly--2006.12.31\\u003c/a\\u003e, Sempr\\u003c/div\\u003e\"],\"POJ-2989\":[\"All Friends\",543,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCTU+Open+2005\\\"\\u003eCTU Open 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1417\":[\"True Liars\",2054,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dJapan+2002+Kanazawa\\\"\\u003eJapan 2002 Kanazawa\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3376\":[\"Matrix Again\",709,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.04.04\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.04.04 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1198\":[\"Farm Irrigation\",4380,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dZhejiang+University+Local+Contest+2005\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Zhejiang University Local Contest 2005 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2987\":[\"Firing\",2186,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.08.27\\\"\\u003ePOJ Monthly--2006.08.27\\u003c/a\\u003e, frkstyc\\u003c/div\\u003e\"],\"HDU-2962\":[\"Trucking\",838,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+Rocky+Mountain+Regional\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 Rocky Mountain Regional \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2749\":[\"Building roads\",1674,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.01.22\\\"\\u003ePOJ Monthly--2006.01.22\\u003c/a\\u003e,zhucheng\\u003c/div\\u003e\"],\"POJ-1419\":[\"Graph Coloring\",1993,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSouthwestern+European+Regional+Contest+1995\\\"\\u003eSouthwestern European Regional Contest 1995\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3371\":[\"Connect the Cities\",3292,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.04.04\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.04.04 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3251\":[\"Being a Hero\",454,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Asia+Regional+Ningbo+Online\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Asia Regional Ningbo Online \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3491\":[\"Thieves\",604,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+ACM-ICPC+Multi-University+Training+Contest%A3%A86%A3%A9%A1%AA%A1%AAHost+by+BIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 ACM-ICPC Multi-University Training Contest（6）——Host by BIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2282\":[\"Chocolate\",471,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDU+8th+Programming+Contest+Site%A3%A82%A3%A9\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDU 8th Programming Contest Site（2） \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3281\":[\"Dining\",8069,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2007+Open+Gold\\\"\\u003eUSACO 2007 Open Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3160\":[\"Father Christmas flymouse\",987,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.12.31\\\"\\u003ePOJ Monthly--2006.12.31\\u003c/a\\u003e, Sempr\\u003c/div\\u003e\"],\"POJ-3164\":[\"Command Network\",3060,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.12.31\\\"\\u003ePOJ Monthly--2006.12.31\\u003c/a\\u003e, galaxy\\u003c/div\\u003e\"],\"POJ-3041\":[\"Asteroids\",12878,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2005+November+Gold\\\"\\u003eUSACO 2005 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2195\":[\"Going Home\",8692,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPacific+Northwest+2004\\\"\\u003ePacific Northwest 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3487\":[\"The Stable Marriage Problem\",2516,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSoutheastern+Europe+2007\\\"\\u003eSoutheastern Europe 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2732\":[\"Leapin\\u0027 Lizards\",1388,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dMid-Central+USA+2005\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Mid-Central USA 2005 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2853\":[\"Assignment\",795,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+5+-+Host+by+NUDT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 5 - Host by NUDT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1860\":[\"Currency Exchange\",12567,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2001\\\"\\u003eNortheastern Europe 2001\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"HDU-1522\":[\"Marriage is Stable\",591,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dZOJ\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e ZOJ \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2396\":[\"Budget\",2030,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTehran+2003+Preliminary\\\"\\u003eTehran 2003 Preliminary\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3921\":[\"Destroying the bus stations\",489,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2008\\\"\\u003eBeijing 2008\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1861\":[\"Network\",4942,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2001\\\"\\u003eNortheastern Europe 2001\\u003c/a\\u003e, Northern Subregion\\u003c/div\\u003e\"],\"HDU-1529\":[\"Cashier Employment\",624,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dAsia+2000%2C+Tehran+%28Iran%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Asia 2000, Tehran (Iran) \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3947\":[\"River Problem\",235,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+11+-+Host+by+UESTC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 11 - Host by UESTC \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1528\":[\"Card Game Cheater\",1291,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dNorthwestern+Europe+2004\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Northwestern Europe 2004 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1988\":[\"Cube Stacking\",8149,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+U+S+Open\\\"\\u003eUSACO 2004 U S Open\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1986\":[\"Distance Queries\",4329,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2004+February\\\"\\u003eUSACO 2004 February\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1502\":[\"MPI Maelstrom\",8652,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+1996\\\"\\u003eEast Central North America 1996\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3820\":[\"Golden Eggs\",327,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+6th+Central+China+Invitational+Programming+Contest+and+9th+Wuhan+University+Programming+Contest+Final\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 6th Central China Invitational Programming Contest and 9th Wuhan University Programming Contest Final \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-4114\":[\"Disney\\u0027s FastPass\",485,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Asia+ChengDu+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Asia ChengDu Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-4115\":[\"Eliminate the Conflict\",948,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Asia+ChengDu+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Asia ChengDu Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1534\":[\"Schedule Problem\",809,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dAsia+1996%2C+Shanghai+%28Mainland+China%29\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Asia 1996, Shanghai (Mainland China) \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3498\":[\"March of the Penguins\",1540,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNorthwestern+Europe+2007\\\"\\u003eNorthwestern Europe 2007\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2289\":[\"Jamie\\u0027s Contact Groups\",2014,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dShanghai+2004\\\"\\u003eShanghai 2004\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-1533\":[\"Going Home\",2893,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dPacific+Northwest+2004\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Pacific Northwest 2004 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3832\":[\"Earth Hour\",675,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+1+-+Host+by+HNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 1 - Host by HNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-3013\":[\"Big Christmas Tree\",3142,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dPOJ+Monthly--2006.09.29\\\"\\u003ePOJ Monthly--2006.09.29\\u003c/a\\u003e, Kim, Chan Min (kcm1700@POJ)\\u003c/div\\u003e\"],\"POJ-3255\":[\"Roadblocks\",6571,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+November+Gold\\\"\\u003eUSACO 2006 November Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-4009\":[\"Transfer water\",1243,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+36th+ACM%2FICPC+Asia+Regional+Dalian+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 36th ACM/ICPC Asia Regional Dalian Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1535\":[\"Invitation Cards\",1925,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dCentral+Europe+1998\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Central Europe 1998 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1511\":[\"Invitation Cards\",7933,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dCentral+Europe+1998\\\"\\u003eCentral Europe 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3718\":[\"Similarity\",851,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Chengdu+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Chengdu Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3715\":[\"Go Deeper\",806,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2010+Asia+Chengdu+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2010 Asia Chengdu Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3836\":[\"Equivalent Sets\",1929,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+1+-+Host+by+HNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 1 - Host by HNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1751\":[\"Highways\",6343,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+1999\\\"\\u003eNortheastern Europe 1999\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3259\":[\"Wormholes\",19017,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dUSACO+2006+December+Gold\\\"\\u003eUSACO 2006 December Gold\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1515\":[\"Street Directions\",577,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+1998\\\"\\u003eEast Central North America 1998\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-1637\":[\"Sightseeing tour\",2996,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNorthwestern+Europe+2003\\\"\\u003eNorthwestern Europe 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-3035\":[\"War\",250,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+13+-+Host+by+HIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 13 - Host by HIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3277\":[\"Marriage Match III\",487,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dHDOJ+Monthly+Contest+%A8C+2010.01.02\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e HDOJ Monthly Contest – 2010.01.02 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3395\":[\"Special Fish\",732,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+5th+Guangting+Cup+Central+China+Invitational+Programming+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 5th Guangting Cup Central China Invitational Programming Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2724\":[\"Purifying Machine\",1352,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2005\\\"\\u003eBeijing 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-2066\":[\"一个人的旅行\",14218,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dRPG%D7%A8%B3%A1%C1%B7%CF%B0%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e RPG专场练习赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3830\":[\"Checkers\",470,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Multi-University+Training+Contest+1+-+Host+by+HNU\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Multi-University Training Contest 1 - Host by HNU \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3038\":[\"How Many Answers Are Wrong\",7074,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2009+Multi-University+Training+Contest+13+-+Host+by+HIT\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2009 Multi-University Training Contest 13 - Host by HIT \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1530\":[\"Maximum Clique\",1600,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dZOJ+Monthly%2C+February+2003\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e ZOJ Monthly, February 2003 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1532\":[\"Drainage Ditches\",6527,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dUSACO+93\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e USACO 93 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-3157\":[\"Crazy Circuits\",425,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2008+ACM-ICPC+Pacific+Northwest+Region\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2008 ACM-ICPC Pacific Northwest Region \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-1639\":[\"Picnic Planning\",2368,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dEast+Central+North+America+2000\\\"\\u003eEast Central North America 2000\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2728\":[\"Desert King\",4476,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dBeijing+2005\\\"\\u003eBeijing 2005\\u003c/a\\u003e\\u003c/div\\u003e\"],\"HDU-4005\":[\"The war\",473,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dThe+36th+ACM%2FICPC+Asia+Regional+Dalian+Site+%A1%AA%A1%AA+Online+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e The 36th ACM/ICPC Asia Regional Dalian Site —— Online Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-1531\":[\"King\",778,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dCentral+Europe+1997\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e Central Europe 1997 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-4126\":[\"Genghis Khan the Conqueror\",715,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003d2011+Asia+Fuzhou+Regional+Contest\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e 2011 Asia Fuzhou Regional Contest \\u003c/a\\u003e \\u003c/div\\u003e\"],\"HDU-2063\":[\"过山车\",12733,\"\\u003cdiv class\\u003d\\\"panel_content\\\"\\u003e \\u003ca href\\u003d\\\"https://acm.hdu.edu.cn/search.php?field\\u003dproblem\\u0026amp;key\\u003dRPG%D7%A8%B3%A1%C1%B7%CF%B0%C8%FC\\u0026amp;source\\u003d1\\u0026amp;searchmode\\u003dsource\\\"\\u003e RPG专场练习赛 \\u003c/a\\u003e \\u003c/div\\u003e\"],\"POJ-2175\":[\"Evacuation Plan\",987,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dNortheastern+Europe+2002\\\"\\u003eNortheastern Europe 2002\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-2296\":[\"Map Labeler\",579,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dTehran+2003\\\"\\u003eTehran 2003\\u003c/a\\u003e\\u003c/div\\u003e\"],\"POJ-3020\":[\"Antenna Placement\",4973,\"\\u003cdiv class\\u003d\\\"ptx\\\" lang\\u003d\\\"en-US\\\"\\u003e\\u003ca href\\u003d\\\"http://poj.org/searchproblem?field\\u003dsource\\u0026amp;key\\u003dSvenskt+M%C3%A4sterskap+i+Programmering%2FNorgesmesterskapet+2001\\\"\\u003eSvenskt Mästerskap i Programmering/Norgesmesterskapet 2001\\u003c/a\\u003e\\u003c/div\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"RickoNoNo3","updateTime":1579584666000,"title":"经典图论算法题集合","dislikeCnt":2,"content":"整理成了题目链接形式.数据来源[https://vjudge.net/article/997](https://vjudge.net/article/997)\n曾经在一个CSDN博客见过,不过找不到原作者了.在此表示衷心的感谢.\n\n-----\n\n# 最小生成树+并查集\n[problem:HDU-1213] How Many Tables 基础并查集★\n[problem:HDU-1272] 小希的迷宫 基础并查集★\n[problem:HDU-1325] Is It A Tree? 基础并查集★\n[problem:HDU-1856] More is better 基础并查集★\n[problem:HDU-1102] Constructing Roads 基础最小生成树★\n[problem:HDU-1232] 畅通工程 基础并查集★\n[problem:HDU-1233] 还是畅通工程 基础最小生成树★\n[problem:HDU-1863] 畅通工程 基础最小生成树★\n[problem:HDU-1875] 畅通工程再续 基础最小生成树★\n[problem:HDU-1879] 继续畅通工程 基础最小生成树★\n[problem:HDU-3371] Connect the Cities 简单最小生成树★\n[problem:HDU-1301] Jungle Roads 基础最小生成树★\n[problem:HDU-1162] Eddy’s picture 基础最小生成树★\n[problem:HDU-1198] Farm Irrigation 基础最小生成树★\n[problem:HDU-1598] find the most comfortable road 枚举+最小生成树★★\n[problem:HDU-1811] Rank of Tetris 并查集+拓扑排序★★\n[problem:HDU-3926] Hand in Hand 同构图★\n[problem:HDU-3938] Portal 离线+并查集★★\n[problem:HDU-2489] Minimal Ratio Tree dfs枚举组合情况+最小生成树★\n[problem:HDU-4081] Qin Shi Huang’s National Road System 最小生成树+DFS★★\n[problem:HDU-4126] Genghis Khan the Conqueror 枚举+最小生成树+DFS(难)★★★★\n[problem:HDU-1829] A Bug’s Life 基础种类并查集★\n[problem:HDU-1558] Segment set 计算几何+并查集★\n[problem:HDU-3461] Code Lock 并查集(有点难想到)★★\n[problem:HDU-3367] Pseudoforest 最大生成树★\n[problem:HDU-2473] Junk-Mail Filter 并查集+设立虚父节点(马甲)★★\n[problem:HDU-3172] Virtual Friends 带权并查集★\n[problem:HDU-3635] Dragon Balls 带权并查集★\n[problem:HDU-3047] Zjnu Stadium 带权并查集★\n[problem:HDU-3038] How Many Answers Are Wrong 种类并查集★★\n[problem:HDU-2818] Building Block 带权并查集★\n[problem:HDU-3234] Exclusive-OR 异或并查集(难)★★★\n[problem:HDU-2121] Ice_cream’s world II 最小树形图(要输出根有点恶心)★★\n[problem:HDU-4009] Transfer water 最小树形图(模板题)★\n[problem:HDU-3311] Dig The Wells 斯坦纳树(状压DP)(模板题)★★\n[problem:HDU-4085] Peach Blossom Spring 斯坦纳树(状压DP)(有可能是森林…)★★★\n[problem:HDU-2586] How far away ？ LCA★\n[problem:HDU-2874] Connections between cities LCA★\n[problem:HDU-3486] Interviewe RMQ★\n[problem:HDU-2888] Check Corners 二维RMQ★\n[problem:HDU-3183] A Magic Lamp RMQ(有点难想到,有点难联系到RMQ)★★\n[problem:POJ-1258] 最经典的MST★\n[problem:POJ-1789] Truck History 最小生成树★\n[problem:POJ-1287] Networking 简单★\n[problem:POJ-2349] Arctic Network 简单★\n[problem:POJ-1611] The Suspects 并查集★\n[problem:POJ-2377] kruskal★\n[problem:POJ-2524] Ubiquitous Religions 并查集★\n[problem:POJ-2236] Wireless Network 并查集+计算几何★\n[problem:POJ-2560] Kruskal 并查集★\n[problem:POJ-1861] Kruskal ★\n[problem:POJ-3625] prim★\n[problem:POJ-1679] - The Unique MST(基础) 判断MST是否唯一★\n[problem:POJ-3522] - Slim Span(基础) 求一颗生成树，让最大边最小边差值最小★\n[problem:POJ-2485] Highways MST中的最长边★\n[problem:POJ-2395] 最小生成树的最长边★\n[problem:POJ-1751] Highways 求出方案★\n[problem:POJ-1182] 食物链 种类并查集★★\n[problem:POJ-1456] Supermarket 贪心+区间合并★\n[problem:POJ-1703] 种类并查集★\n[problem:POJ-1988] 种类并查集★\n[problem:POJ-1733] Parity game 种类并查集，先要离散化一下，不影响结果★\n[problem:POJ-1417] True Liars(难) 并查集+DP 种类并查集★★\n[problem:POJ-2912] Rochambeau(难) baidu的题,很不错…是食物链的加强版.判断裁判比较难想.★★★\n[problem:POJ-2728] Desert King(中等) 最优比率生成树★★\n[problem:POJ-1639] Picnic Planning(较难) 顶点度数有限制的最小生成树★★\n[problem:POJ-3164] Command Network(难) 最小树形图★★\n\n-----\n\n# 最短路系列\n[problem:HDU-1548] A strange lift 基础最短路(或bfs)★\n[problem:HDU-2544] 最短路 基础最短路★\n[problem:HDU-3790] 最短路径问题 基础最短路★\n[problem:HDU-2066] 一个人的旅行 基础最短路(多源多汇,可以建立超级源点和终点)★\n[problem:HDU-2112] HDU Today 基础最短路★\n[problem:HDU-1874] 畅通工程续 基础最短路★\n[problem:HDU-1217] Arbitrage 货币交换 Floyd (或者 Bellman-Ford 判环)★\n[problem:HDU-1245] Saving James Bond 计算几何+最短路★\n[problem:HDU-1317] XYZZY Bellman-Ford判环,有负权★\n[problem:HDU-1535] Invitation Cards 有向图的来回最短路,(反向建图)★\n[problem:HDU-1546] Idiomatic Phrases Game 最短路★\n[problem:HDU-2680] Choose the best route 最短路★\n[problem:HDU-2923] Einbahnstrasse 最短路★\n[problem:HDU-3339] In Action 最短路+背包★\n[problem:HDU-2224] The shortest path 双调旅行商问题★★\n[problem:HDU-2807] The Shortest Path 矩阵运算+最短路(floyd)★★\n[problem:HDU-1595] find the longest of the shortest枚举+最短路(删掉任意一条边的最长最短路)★★\n[problem:HDU-3986] Harry Potter and the Final Battle 枚举+最短路(删掉任意一条边的最长最短路)★★\n[problem:HDU-1599] find the mincost route floyd求最小环★\n[problem:HDU-1839] Delay Constrained… 二分下限+最短路(带限制最短路)★★\n[problem:HDU-3631] Shortest Path Floyd插点法★★\n[problem:HDU-4114] Disney’s FastPass 最短路+二维状压DP(难)★★★\n[problem:HDU-3832] Earth Hour 三点连通(斯坦纳树)★\n[problem:HDU-3873] Invade the Mars Dij变体(好题!,带限制最短路)★★★\n[problem:HDU-4063] Aircraft 几何构图+最短路★★★★\n[problem:HDU-1869] 六度分离 Floyd最短路★\n[problem:HDU-1385] Minimum Transport Cost 最短路+输出路径(输出字典序最小路径,有点恶心)★★\n[problem:HDU-1224] free DIY Tour 最短路+输出路径★\n[problem:HDU-1142] A Walk Through the Forest 最短路+记忆搜索★★\n[problem:HDU-1596] find the safest road 乘积最小的最短路★\n[problem:HDU-1598] find the most comfortable road 二分速度差+最短路(带限制最短路)★★\n[problem:HDU-2722] Here We Go(relians) Again 最短路★\n[problem:HDU-2962] Trucking 二分+最短路(带限制最短路)★★\n[problem:HDU-1690] Bus System 最短路★\n[problem:HDU-2433] Travel 删边+最短路之和(预处理桥边)★★★\n[problem:HDU-2363] Cycling 二分+最短路(带限制最短路)★★\n[problem:HDU-2377] Bus Pass 最短路(寻找一个点的最长最短路最小)★★\n[problem:HDU-2833] WuKong 最短路+记忆化搜索(求两条最短路的最多公共点)★★\n[problem:HDU-1688] Sightseeing 最短次短路条数★★\n[problem:HDU-3191] How Many Paths Are There 次短路条数★★\n[problem:HDU-2482] Transit search 最短路★★★\n[problem:HDU-3768] Shopping 最短路+dfs(或最短路+状压DP)★★\n[problem:HDU-3035] War 平面图最小割(建图麻烦)★★\n[problem:HDU-3870] Catch the Theves 平面图最小割(建图麻烦)★★\n[problem:HDU-3860] Circuit Board 平面图最小割(建图麻烦)★★\n[problem:POJ-1062] 昂贵的聘礼 竟然可以和最短路联系起来★★\n[problem:POJ-1094] Sorting It All Out Floyd判环+拓扑排序★\n[problem:POJ-1125] Stockbroker Grapevine Floyd★\n[problem:POJ-1135] Domino Effect 最短路,比较有意思★★\n[problem:POJ-1161] Walls 最短路(图太恶心了)★★\n[problem:POJ-1502] MPI Maelstrom Floyd★\n[problem:POJ-1511] Invitation Cards 来回最短路★\n[problem:POJ-1556] The Doors 计算几何+最短路★★\n[problem:POJ-1724] ROADS 带限制的最短路,dis[][]开二维来记录信息(或广搜)★★\n[problem:POJ-1734] Sightseeing trip floyd最小环路径★\n[problem:POJ-1797] Heavy Transportation 二分枚举+最短路★\n[problem:POJ-1847] Tram 简单最短路★\n[problem:POJ-1860] Currency Exchange 货币兑换★\n[problem:POJ-1949] Chores 反向建边,求最长路★★\n[problem:POJ-2139] Six Degrees of Cowvin Bacon Floyd★\n[problem:POJ-2240] Arbitrage 货币兑换★\n[problem:POJ-2253] Frogger 二分+最短路★\n[problem:POJ-2312] 坦克大战 spfa最短路本质变形–\u003e广搜★\n[problem:POJ-2387] Til the Cows Come Home 基础最短路★\n[problem:POJ-2394] Checking an Alibi 最短路★\n[problem:POJ-2457] Part Acquisition 最短路 (输出路径)★★\n[problem:POJ-2472] 106 miles to Chicago 乘积最短路(log一下,乘变加)★★\n[problem:POJ-2502] Subway\n[problem:POJ-2570] Fiber Network floyd\n[problem:POJ-3013] 圣诞树\n[problem:POJ-3037] Skiing\n[problem:POJ-3072] Robot\n[problem:POJ-3114] Countries in War 强联通+最短路\n[problem:POJ-3160] Father Christmas flymouse 强联通+最长路\n[problem:POJ-3255] Roadblock\n[problem:POJ-3259] Wormholes （寻找负权回路）\n[problem:POJ-3268] Silver Cow Part\n[problem:POJ-3311] Hie with the Pie floyd+状压\n[problem:POJ-3328] Cliff Climbing\n[problem:POJ-3439] Server Relocation\n[problem:POJ-3463] Sightseeing 次短路条数\n[problem:POJ-3159]\n[problem:POJ-3521] Geometric Map 计算几何+最短路\n[problem:POJ-3549] GSM phone 计算几何+最短路\n[problem:POJ-3594] Escort of Dr. Who How\n[problem:POJ-3613] Cow Relays 经过N条边的最短路 // floyd + 二分矩阵\n[problem:POJ-3615] Cow Hurdles\n[problem:POJ-3621] 最优比率环\n[problem:POJ-3635] full tank?\n[problem:POJ-3660] 传递闭包\n[problem:POJ-3662] Telephone Lines\n\n-----\n\n# 差分约束\n[problem:HDU-1384] Intervals\n[problem:HDU-1529] Cashier Employment\n[problem:HDU-1531] King\n[problem:HDU-1534] Schedule Problem\n[problem:HDU-3440] House Man\n[problem:HDU-3592] World Exhibition\n[problem:HDU-3666] THE MATRIX PROBLEM\n[problem:POJ-1201]\n[problem:POJ-1275]\n[problem:POJ-1364]\n[problem:POJ-1716]\n[problem:POJ-2949]\n[problem:POJ-2983]\n[problem:POJ-3159]\n[problem:POJ-3169]\n[problem:POJ-3687]\n\n-----\n\n# 二分匹配\n### 普通匹配,多重匹配\n[problem:HDU-1068] Girls and Boys\n[problem:HDU-1150] Machine Schedule\n[problem:HDU-1151] Air Raid\n[problem:HDU-1179] Ollivanders: Makers of Fine Wands since 382 BC.\n[problem:HDU-1281] 棋盘游戏\n[problem:HDU-1498] 50 years, 50 colors\n[problem:HDU-1507] Uncle Tom’s Inherited Land\n[problem:HDU-1528] Card Game Cheater\n[problem:HDU-1845] Jimmy’s Assignment\n[problem:HDU-2063] 过山车\n[problem:HDU-2119] Matrix\n[problem:HDU-2444] The Accomodation of Students\n[problem:HDU-2768] Cat vs. Dog\n[problem:HDU-3081] Marriage Match II\n[problem:HDU-3360] National Treasures\n[problem:HDU-1045] 也可搜索\n[problem:HDU-1350] 最小路径覆盖\n[problem:HDU-3118] 类似二分匹配\n[problem:HDU-2819] 完全匹配\n[problem:HDU-1668] 二分+多重匹配\n[problem:HDU-3605] 多重匹配\n[problem:HDU-3861] 强连通+二分匹配\n[problem:HDU-2236] 无题II\n[problem:POJ-1087] A Plug for UNIX\n[problem:POJ-1274] The Perfect Stall\n[problem:POJ-1469] COURSES\n[problem:POJ-1486] Sorting Slides 二分图的必须边\n[problem:POJ-1548] Robots\n[problem:POJ-1698] Alice’s Chance\n[problem:POJ-1719] Shooting Contest\n[problem:POJ-1904] King’s Quest 求二分图所有可能的匹配边\n[problem:POJ-2060] Taxi Cab Scheme 最小路径覆盖\n[problem:POJ-2112] Optimal Milking 二分+多重匹配\n[problem:POJ-2226] Muddy Fields 行列的覆盖\n[problem:POJ-2239] Selecting Courses\n[problem:POJ-2289] Jamie’s Contact Groups 二分+多重匹配\n[problem:POJ-2446] Chessboard\n[problem:POJ-2536] Gopher II\n[problem:POJ-2584] T-Shirt Gumbo\n[problem:POJ-2594] Treasure Exploration 可相交最小路径覆盖\n[problem:POJ-2672] Hotkeys\n[problem:POJ-2724] Purifying Machine\n[problem:POJ-3020] Antenna Placement\n[problem:POJ-3041] Asteroids 简单行列匹配\n[problem:POJ-3189] Steady Cow Assignment 二分+多重匹配\n[problem:POJ-3207] Ikki’s Story IV - Panda’s Trick\n[problem:POJ-3216] Repairing Company\n[problem:POJ-3343] Against Mammoths\n[problem:POJ-3692] Kindergarten\n[problem:POJ-2771] 最大独立集\n### KM算法\n[problem:HDU-2255] 奔小康赚大钱\n[problem:HDU-1533] Going Home\n[problem:HDU-1853] Cyclic Tour\n[problem:HDU-3488] Tour\n[problem:HDU-3435] A new Graph Game\n[problem:HDU-2426] Interesting Housing Problem\n[problem:HDU-2853] Assignment\n[problem:HDU-3718] Similarity\n[problem:HDU-3722] Card Game\n[problem:HDU-3395] Special Fish\n[problem:HDU-2282] Chocolate\n[problem:HDU-2813] One fihgt one\n[problem:HDU-2448] Mining Station on the Sea\n[problem:HDU-3315] My Brute\n[problem:HDU-3523] Image copy detection\n[problem:POJ-2195] Going Home 最小权值匹配\n[problem:POJ-2400] Supervisor, Supervisee 输出所有最小权匹配\n[problem:POJ-2516] Minimum Cost 最小权值匹配或最小费用流\n[problem:POJ-3565] Ants\n[problem:POJ-3686] The Windy’s 最小权值匹配\n\n-----\n\n# 最大团\u0026稳定婚姻\n[problem:HDU-1530] Maximum Clique\n[problem:HDU-1435] Stable Match\n[problem:HDU-3585] maximum shortest distance 二分+最大团\n[problem:HDU-1522] Marriage is Stable\n[problem:HDU-1914] The Stable Marriage Problem\n[problem:POJ-1129] 四色定理 着色问题\n[problem:POJ-1419] 最大独立集\n[problem:POJ-2989] 极大团\n[problem:POJ-3487] The Stable Marriage Problem 稳定婚姻\n\n-----\n\n# 强双联通/最近公共祖先\n### 强连通\n[problem:HDU-1269] 迷宫城堡 判断是否是一个强连通\n[problem:HDU-2767] Proving Equivalences 至少加几条边让整个图变成强连通\n[problem:HDU-3836] Equivalent Sets 至少加几条边让整个图变成强连通\n[problem:HDU-1827] Summer Holiday 传递的最小费用\n[problem:HDU-3072] Intelligence System 传递的最小费用\n[problem:HDU-3861] The King’s Problem 强连通+二分匹配\n[problem:HDU-3639] Hawk-and-Chicken 强连通缩点 + 树形dp（累加子节点的总权值）\n[problem:HDU-3594] Cactus 仙人掌图\n[problem:POJ-1236] Network of Schools\n[problem:POJ-2553] The Bottom of a Graph 好题！ 找出度为0的集合\n[problem:POJ-2186] Popular Cows 好题！ 找出度为0的，其他分量都指向它的集合\n[problem:POJ-2375] Cow Ski Area 强连通\n[problem:POJ-2762] Going from u to v or from v to u? 缩点+拓扑排序\n[problem:POJ-3160] Father Christmas flymouse 强连通+最短路\n[problem:POJ-3180] The Cow Prom 判断有几个环， 分量中元素大于1的个数\n[problem:POJ-3114] Countries in War 强连通+最短路\n[problem:POJ-3592] Instantaneous Transference 强连通分量+最长路\n[problem:POJ-1904] King’s Quest 强连通+并查集\n### 双连通\n[problem:HDU-2242] 考研路茫茫——空调教室 双联通缩点+树形DP\n[problem:HDU-2460] Network 边双连通\n[problem:HDU-3849] By Recognizing These Guys, We Find Social Networks Useful 双连通求桥\n[problem:HDU-3896] Greatest TC 双连通\n[problem:HDU-4005] The war 边双连通\n[problem:POJ-3694] Network 边双连通 (同hdu2460)\n[problem:POJ-3177] Redundant Paths 构造边双连通\n[problem:POJ-3352] Road Construction 构造边双连通\n[problem:POJ-2942] Knights of the Round Table (点双连通经典题)\n[problem:POJ-1515] Street Directions (无向图改有向图)\n[problem:POJ-1438] One-way Traffic (混合图改有向图)\n### 最近公共祖先\n[problem:HDU-2586] How far away ？\n[problem:HDU-2874] Connections between cities\n[problem:HDU-3078] Network LCA+排序\n[problem:HDU-3830] Checkers 二分+LCA\n[problem:POJ-1330] Nearest Common Ancestors\n[problem:POJ-1470] Closest Common Ancestors\n[problem:POJ-1986] Distance Queries\n[problem:POJ-3417] Network\n[problem:POJ-3728] The merchant LCA+并查集,更新询问\n[problem:POJ-2763] Housewife Wind LCA+树状数组\n\n-----\n\n# 2-SAT\n[problem:HDU-3062] Party\n[problem:HDU-1824] Let’s go home\n[problem:HDU-3622] Bomb Game\n[problem:HDU-3715] Go Deeper\n[problem:HDU-1815] Building roads\n[problem:HDU-2723] Get Luffy Out\n[problem:HDU-1816] Get Luffy Out 2\n[problem:HDU-1814] Peaceful Commission\n[problem:HDU-4115] Eliminate the Conflict\n[problem:POJ-2296] Map Labeler\n[problem:POJ-2749] Building roads\n[problem:POJ-3207] Ikki’s Story IV - Panda’s Trick\n[problem:POJ-3648] Wedding\n[problem:POJ-3678] Katu Puzzle\n[problem:POJ-3683] Priest John’s Busiest Day\n[problem:POJ-3905] Perfect Election\n\n-----\n\n# 欧拉回路\n[problem:HDU-1878] 欧拉回路 判断\n[problem:HDU-3018] Ant Trip 一笔画问题\n[problem:HDU-1116]\n[problem:HDU-2894] 兹鼓欧拉回路\n[problem:HDU-1956]\n[problem:HDU-3472] 混合欧拉\n[problem:POJ-2513] 欧拉路\n[problem:POJ-1041] John’s trip 欧拉回路\n[problem:POJ-1386] Play on Words 单词接龙\n[problem:POJ-2230] Watchcow 欧拉回路\n[problem:POJ-2513] Colored Sticks 无向图欧拉路\n[problem:POJ-2337] Catenyms 欧拉路径\n[problem:POJ-1392] Ouroboros Snake 兹鼓欧拉回路\n[problem:POJ-1780] code\n[problem:POJ-1637] 混合欧拉\n\n-----\n\n# 拓扑排序\n[problem:HDU-1285] 确定比赛名次\n[problem:HDU-2094] 产生冠军\n[problem:HDU-2647] Reward\n[problem:HDU-3342] Legal or Not\n[problem:HDU-1811] Rank of Tetris 拓扑+并查集\n[problem:HDU-3231] 三维拓扑\n[problem:POJ-1094] Sorting It All Out Floyd+拓扑\n[problem:POJ-2367] Genealogical tree\n[problem:POJ-3660] Cow Contest\n[problem:POJ-3687] Labeling Balls 神奇的拓扑\n[problem:POJ-1128] Frame Stacking DFS版拓扑\n[problem:POJ-1270] Following Orders 拓扑+回溯\n[problem:POJ-1420] Spreadsheet 模拟拓扑\n[problem:POJ-2762] Going from u to v or from v to u? 强连通+拓扑\n[problem:POJ-3553] Task schedule\n\n-----\n\n# 网络流\n[problem:HDU-1532] Drainage Ditches(基础) [最大流]\n[problem:HDU-3549] Flow Problem(基础) [最大流]\n[problem:HDU-3572] Task Schedule [最大流]任务分配,判断满流\n[problem:HDU-2732] Leapin’ Lizards(难) [最大流]\n[problem:HDU-3338] Kakuro Extension 最大流[数和]神奇最大流行进列出\n[problem:HDU-2883] kebab 最大流判断满流\n[problem:HDU-3605] Escape 最大流多重匹配\n[problem:HDU-3081] Marriage Match II [二分最大流]+并查集\n[problem:HDU-3277] Marriage Match III [二分最大流]同上,多了拆点\n[problem:HDU-3416] Marriage Match IV [最大流]最短路+最大流\n[problem:HDU-2485] Destroying the bus stations [最大流]最短路+最大流\n[problem:HDU-3468] Treasure Hunting 最大流+最短路\n[problem:HDU-3551] Hard Problem [最大流]\n[problem:HDU-3998] Sequence(难) [DP+最大流]最长上升子序列\n[problem:HDU-3917] Road constructions [最大权闭包]\n[problem:HDU-3879] Base Station [最大权闭包]\n[problem:HDU-3061] Battle [最大权闭包]\n[problem:HDU-3996] Gold Mine [最大权闭包]\n[problem:HDU-3472] HS BDC [混合欧拉]\n[problem:HDU-4183] 来回走不重复点的网络流\n[problem:HDU-1533] Going Home(基础) [费用流]\n[problem:HDU-3488] Tour [费用流]圈\n[problem:HDU-3435] A new Graph Game [费用流]圈\n[problem:HDU-1853] Cyclic Tour [费用流]圈\n[problem:HDU-2686] Matrix [费用流]\n[problem:HDU-3376] Matrix Again [费用流]\n[problem:HDU-3667] Transportation [费用流]拆边\n[problem:HDU-3315] My Brute 费用流\n[problem:HDU-3395] Special Fish 费用流\n[problem:HDU-2448] Mining Station on the Sea 费用流\n[problem:HDU-4067] Random Maze(难) [费用流]\n[problem:HDU-3947] River Problem(难) [费用流]神奇费用流,流量不等式建图\n[problem:HDU-3046] Pleasant sheep and big big wolf [最小割]\n[problem:HDU-1565] 方格取数(1) [最小割]\n[problem:HDU-1569] 方格取数(2) [最小割]\n[problem:HDU-3820] Golden Eggs [最小割]方格加强\n[problem:HDU-3491] Thieves [最小割]最小点割集\n[problem:HDU-3657] Game [最小割]最大点权独立集\n[problem:HDU-3313] Key Vertex [最小割]\n[problem:HDU-3251] Being a Hero [最小割]\n[problem:HDU-3157] Crazy Circuits [上下流]\n[problem:HDU-3002] King of Destruction [全局最小割]\n[problem:HDU-3691] Nubulsa Expo [全局最小割]\n[problem:POJ-1087] A Plug for UNIX 最大流\n[problem:POJ-1274] The Perfect Stall 最大流\n[problem:POJ-1325] Machine Schedule 最大流\n[problem:POJ-1698] Alice’s Chance 最大流\n[problem:POJ-2239] Selecting Courses 最大流\n[problem:POJ-2446] Chessboard 最大流 好题啊\n[problem:POJ-2536] Gopher II 最大流\n[problem:POJ-2771] Guardian of Decency [最大流]二分匹配最大独立集\n[problem:POJ-3041] Asteroids 最大流\n[problem:POJ-2584] T-Shirt Gumbo 最大流\n[problem:POJ-3189] Steady Cow Assignment(中等) 二分最大流\n[problem:POJ-1149] PIGS [最大流] 绝对经典的构图题\n[problem:POJ-1273] Drainage Ditches 最大流\n[problem:POJ-1459] Power Network(基础) [最大流]\n[problem:POJ-3281] Dining [最大流]\n[problem:POJ-2112] Optimal Milking(基础) [二分最大流]\n[problem:POJ-2289] Jamie’s Contact Groups [二分最大流]\n[problem:POJ-2391] Ombrophobic Bovines(中等) [二分最大流]\n[problem:POJ-2455] Secret Milking Machine(基础) [二分最大流]\n[problem:POJ-3228] Gold Transportation 二分最大流\n[problem:POJ-2699] The Maximum Number of Strong Kings(较难) [枚举人数 + 最大流]\n[problem:POJ-3498] March of the Penguins(中等) [最大流]枚举汇点,满足点容量限制的网络流\n[problem:POJ-2987] Firing(较难) [最大权闭包]\n[problem:POJ-1637] Sightseeing tour(Crazy) [混合欧拉]\n[problem:POJ-2135] Farm Tour 费用流\n[problem:POJ-2175] Evacuation Plan(中等) [费用流] 消圈\n[problem:POJ-2195] Going Home [费用流]\n[problem:POJ-2516] Minimum Cost [费用流]\n[problem:POJ-3422] Kaka’s Matrix Travels(中等) [费用流]拆点\n[problem:POJ-3680] Intervals(较难) [费用流]经典,费用流+离散化\n[problem:POJ-3686] The Windy’s 费用流\n[problem:POJ-3762] The Bonus Salary! [费用流]\n[problem:POJ-1815] Friendship(中等) [最小割]最小点割集\n[problem:POJ-1966] Cable TV Network(中等) [最小割]最小点割集\n[problem:POJ-2125] Destroying The Graph(难) [最小割]最小点权覆盖\n[problem:POJ-3084] Panic Room(中等，好题) [最小割]边连通度\n[problem:POJ-3204] Ikki’s Story I - Road Reconstruction(基础) [最小割]求关键边\n[problem:POJ-3308] Paratroopers(较难) [最小割]乘积取对数,最小点权覆盖\n[problem:POJ-3436] ACM Computer Factory [最小割]收集流,残留搜集找边\n[problem:POJ-3469] Dual Core CPU(中等) [最小割]收集流\n[problem:POJ-3921] Destroying the bus stations [最小割]点连通\n[problem:POJ-2396] Budget(中等) [有源汇的上下界可行流]\n[problem:POJ-3155] Hard Life(很挑战一题) [最大密度子图]\n[problem:POJ-2914] Minimum Cut [无向图最小割]","threadId":62354,"likeCnt":60,"createTime":1579584666000,"isWorkbook":true,"viewCnt":12031,"openness":2,"fav":false,"id":2169,"trustable":false}
