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{"workbook":{"problemsBrief":"{\"CodeForces-160A\":[\"Twins\",116650,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/160\\\"\\u003eCodeforces Round 111 (Div. 2)\\u003c/a\\u003e\"],\"UVA-12148\":[\"Electricity\",1745,null],\"SPOJ-ALIENS\":[\"Aliens\",426,\"Balkan Olympiad in Informatics 2002\"],\"UVA-12263\":[\"Rankings\",280,null],\"UVA-11053\":[\"Flavius Josephus Reloaded\",1344,null],\"CodeForces-835C\":[\"Star sky\",8507,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/835\\\"\\u003eCodeforces Round 427 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-714B\":[\"Filya and Homework\",15314,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/714\\\"\\u003eCodeforces Round 371 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11181\":[\"Probability|Given\",2407,null],\"CodeForces-160C\":[\"Find Pair\",3668,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/160\\\"\\u003eCodeforces Round 111 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-195C\":[\"Try and Catch\",1191,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/195\\\"\\u003eCodeforces Round 123 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10077\":[\"The Stern-Brocot Number System\",6326,null],\"UVA-10198\":[\"Counting\",4729,null],\"CodeForces-1036C\":[\"Classy Numbers\",9318,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1036\\\"\\u003eEducational Codeforces Round 50 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-617B\":[\"Chocolate\",19026,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/617\\\"\\u003eCodeforces Round 340 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-617C\":[\"Watering Flowers\",5434,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/617\\\"\\u003eCodeforces Round 340 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-604C\":[\"Alternative Thinking\",393,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/604\\\"\\u003eCodeforces Round 334 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-810B\":[\"Summer sell-off\",11728,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/810\\\"\\u003eCodeforces Round 415 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-822C\":[\"Hacker, pack your bags!\",4858,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/822\\\"\\u003eCodeforces Round 422 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-834C\":[\"The Meaningless Game\",336,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/834\\\"\\u003eCodeforces Round 426 (Div. 2)\\u003c/a\\u003e\"],\"HackerRank-lazy-sorting\":[\"Lazy Sorting\",917,\"\\u003ca href\\u003d\\u0027https://www.hackerrank.com/contests/w21\\u0027 target\\u003d\\u0027_blank\\u0027\\u003ew21\\u003c/a\\u003e\"],\"UVA-12124\":[\"Assemble\",1626,null],\"CodeForces-78B\":[\"Easter Eggs\",13700,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/78\\\"\\u003eCodeforces Beta Round 70 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-66B\":[\"Petya and Countryside\",20209,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/66\\\"\\u003eCodeforces Beta Round 61 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1047C\":[\"Enlarge GCD\",273,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1047\\\"\\u003eCodeforces Round 511 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1059C\":[\"Sequence Transformation\",7512,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1059\\\"\\u003eCodeforces Round 514 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-979B\":[\"Treasure Hunt\",4590,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/979\\\"\\u003eCodeforces Round 482 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-507C\":[\"Guess Your Way Out!\",4538,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/507\\\"\\u003eCodeforces Round 287 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-869C\":[\"The Intriguing Obsession\",4676,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/869\\\"\\u003eCodeforces Round 439 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10192\":[\"Vacation\",9094,null],\"UVA-10056\":[\"What is the Probability ?\",5119,null],\"CodeForces-79B\":[\"Colorful Field\",7097,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/79\\\"\\u003eCodeforces Beta Round 71\\u003c/a\\u003e\"],\"CodeForces-43A\":[\"Football\",54704,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/43\\\"\\u003eCodeforces Beta Round 42 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-518B\":[\"Tanya and Postcard\",8335,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/518\\\"\\u003eCodeforces Round 293 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-505B\":[\"Mr. Kitayuta\\u0027s Colorful Graph\",13284,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/505\\\"\\u003eCodeforces Round 286 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-614B\":[\"Gena\\u0027s Code\",7399,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/614\\\"\\u003eCodeforces Round 339 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-602B\":[\"Approximating a Constant Range\",11466,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/602\\\"\\u003eCodeforces Round 333 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-735C\":[\"Tennis Championship\",7761,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/735\\\"\\u003eCodeforces Round 382 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-711C\":[\"Coloring Trees\",8633,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/711\\\"\\u003eCodeforces Round 369 (Div. 2)\\u003c/a\\u003e\"],\"UVA-1174\":[\"IP-TV\",2142,null],\"CodeForces-152B\":[\"Steps\",6933,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/152\\\"\\u003eCodeforces Round 108 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-382A\":[\"Ksenia and Pan Scales\",12639,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/382\\\"\\u003eCodeforces Round 224 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-707A\":[\"Brain\\u0027s Photos\",47904,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/707\\\"\\u003eCodeforces Round 368 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-719B\":[\"Anatoly and Cockroaches\",9274,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/719\\\"\\u003eCodeforces Round 373 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-707C\":[\"Pythagorean Triples\",13306,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/707\\\"\\u003eCodeforces Round 368 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-816B\":[\"Karen and Coffee\",19808,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/816\\\"\\u003eCodeforces Round 419 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1A\":[\"Theatre Square\",268040,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1\\\"\\u003eCodeforces Beta Round 1\\u003c/a\\u003e\"],\"CodeForces-260C\":[\"Balls and Boxes\",3164,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/260\\\"\\u003eCodeforces Round 158 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-151C\":[\"Win or Freeze\",227,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/151\\\"\\u003eCodeforces Round 107 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-381C\":[\"Sereja and Prefixes\",39,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/381\\\"\\u003eCodeforces Round 223 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-490C\":[\"Hacking Cypher\",9260,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/490\\\"\\u003eCodeforces Round 279 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-381A\":[\"Sereja and Dima\",65405,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/381\\\"\\u003eCodeforces Round 223 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-296C\":[\"Greg and Array\",1557,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/296\\\"\\u003eCodeforces Round 179 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-199C\":[\"About Bacteria\",52,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/199\\\"\\u003eCodeforces Round 125 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-296A\":[\"Yaroslav and Permutations\",22733,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/296\\\"\\u003eCodeforces Round 179 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-199B\":[\"Special Olympics\",831,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/199\\\"\\u003eCodeforces Round 125 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-839C\":[\"Journey\",17266,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/839\\\"\\u003eCodeforces Round 428 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-706C\":[\"Hard problem\",16801,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/706\\\"\\u003eCodeforces Round 367 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11094\":[\"Continents\",5892,null],\"CodeForces-490A\":[\"Team Olympiad\",59312,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/490\\\"\\u003eCodeforces Round 279 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-490B\":[\"Queue\",6246,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/490\\\"\\u003eCodeforces Round 279 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-271B\":[\"Prime Matrix\",14514,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/271\\\"\\u003eCodeforces Round 166 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-186B\":[\"Growing Mushrooms\",5483,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/186\\\"\\u003eCodeforces Round 118 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-608B\":[\"Hamming Distance Sum\",7230,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/608\\\"\\u003eCodeforces Round 336 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-959C\":[\"Mahmoud and Ehab and the wrong algorithm\",5884,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/959\\\"\\u003eCodeforces Round 473 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-705C\":[\"Thor\",279,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/705\\\"\\u003eCodeforces Round 366 (Div. 2)\\u003c/a\\u003e\"],\"UVA-1362\":[\"Exploring Pyramids\",764,null],\"CodeForces-270A\":[\"Fancy Fence\",46059,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/270\\\"\\u003eCodeforces Round 165 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-294C\":[\"Shaass and Lights\",4131,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/294\\\"\\u003eCodeforces Round 178 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-282B\":[\"Painting Eggs\",12990,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/282\\\"\\u003eCodeforces Round 173 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-294A\":[\"Shaass and Oskols\",24727,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/294\\\"\\u003eCodeforces Round 178 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-23C\":[\"Oranges and Apples\",1558,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/23\\\"\\u003eCodeforces Beta Round 23\\u003c/a\\u003e\"],\"CodeForces-59A\":[\"Word\",170609,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/59\\\"\\u003eCodeforces Beta Round 55 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-47B\":[\"Coins\",14371,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/47\\\"\\u003eCodeforces Beta Round 44 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-716B\":[\"Complete the Word\",13211,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/716\\\"\\u003eCodeforces Round 372 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1220C\":[\"Substring Game in the Lesson\",9987,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1220\\\"\\u003eCodeforces Round 586 (Div. 1 + Div. 2)\\u003c/a\\u003e\"],\"CodeForces-270C\":[\"Magical Boxes\",97,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/270\\\"\\u003eCodeforces Round 165 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-84C\":[\"Biathlon\",1663,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/84\\\"\\u003eCodeforces Beta Round 72 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-84B\":[\"Magical Array\",167,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/84\\\"\\u003eCodeforces Beta Round 72 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-253C\":[\"Text Editor\",2756,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/253\\\"\\u003eCodeforces Round 154 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-253B\":[\"Physics Practical\",12126,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/253\\\"\\u003eCodeforces Round 154 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-144B\":[\"Meeting\",5385,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/144\\\"\\u003eCodeforces Round 103 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-265A\":[\"Colorful Stones (Simplified Edition)\",35646,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/265\\\"\\u003eCodeforces Round 162 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-289A\":[\"Polo the Penguin and Segments\",9108,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/289\\\"\\u003eCodeforces Round 177 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10801\":[\"Lift Hopping\",4486,null],\"UVA-10920\":[\"Spiral Tap\",3293,null],\"CodeForces-1065C\":[\"Make It Equal\",8081,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1065\\\"\\u003eEducational Codeforces Round 52 (Rated for Div. 2)\\u003c/a\\u003e\"],\"UVA-534\":[\"Frogger\",5751,null],\"UVA-412\":[\"Pi\",8092,null],\"CodeForces-483A\":[\"Counterexample\",23253,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/483\\\"\\u003eCodeforces Round 275 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-471B\":[\"MUH and Important Things\",6229,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/471\\\"\\u003eCodeforces Round 269 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-592C\":[\"The Big Race\",3191,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/592\\\"\\u003eCodeforces Round 328 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-580B\":[\"Kefa and Company\",27367,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/580\\\"\\u003eCodeforces Round 321 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-580C\":[\"Kefa and Park\",44268,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/580\\\"\\u003eCodeforces Round 321 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-131C\":[\"The World is a Theatre\",12219,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/131\\\"\\u003eCodeforces Beta Round 95 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-252C\":[\"Points on Line\",341,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/252\\\"\\u003eCodeforces Round 153 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-155C\":[\"Hometask\",124,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/155\\\"\\u003eCodeforces Round 109 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-131B\":[\"Opposites Attract\",7680,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/131\\\"\\u003eCodeforces Beta Round 95 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-385B\":[\"Bear and Strings\",10207,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/385\\\"\\u003eCodeforces Round 226 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-276B\":[\"Little Girl and Game\",28232,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/276\\\"\\u003eCodeforces Round 169 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-143A\":[\"Help Vasilisa the Wise 2\",13875,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/143\\\"\\u003eCodeforces Round 102 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-807A\":[\"Is it rated?\",21697,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/807\\\"\\u003eCodeforces Round 412 (rated, Div. 2, base on VK Cup 2017 Round 3)\\u003c/a\\u003e\"],\"CodeForces-1064C\":[\"Oh Those Palindromes\",310,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1064\\\"\\u003eCodeforces Round 516 (Div. 2, by Moscow Team Olympiad)\\u003c/a\\u003e\"],\"SPOJ-BITMAP\":[\"Bitmap\",9904,\"6th Polish Olympiad in Informatics, stage 2\"],\"UVA-784\":[\"Maze Exploration\",5147,null],\"UVA-662\":[\"Fast Food\",1087,null],\"CodeForces-591C\":[\"Median Smoothing\",123,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/591\\\"\\u003eCodeforces Round 327 (Div. 2)\\u003c/a\\u003e\"],\"HackerRank-a-circle-and-a-square\":[\"A Circle and a Square\",1277,\"\\u003ca href\\u003d\\u0027https://www.hackerrank.com/contests/w29\\u0027 target\\u003d\\u0027_blank\\u0027\\u003ew29\\u003c/a\\u003e\"],\"CodeForces-275C\":[\"k-Multiple Free Set\",250,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/275\\\"\\u003eCodeforces Round 168 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-384B\":[\"Multitasking\",3714,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/384\\\"\\u003eCodeforces Round 225 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-263A\":[\"Beautiful Matrix\",237226,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/263\\\"\\u003eCodeforces Round 161 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-287B\":[\"Pipeline\",9926,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/287\\\"\\u003eCodeforces Round 176 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-287A\":[\"IQ Test\",19716,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/287\\\"\\u003eCodeforces Round 176 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-709A\":[\"Juicer\",31192,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/709\\\"\\u003eAIM Tech Round 3 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1051B\":[\"Relatively Prime Pairs\",17845,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1051\\\"\\u003eEducational Codeforces Round 51 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1075C\":[\"The Tower is Going Home\",59,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1075\\\"\\u003eLyft Level 5 Challenge 2018 - Final Round (Open Div. 2)\\u003c/a\\u003e\"],\"UVA-516\":[\"Prime Land\",3690,null],\"UVA-757\":[\"Gone Fishing\",842,null],\"SPOJ-TWINSNOW\":[\"Snowflakes\",839,\"CCC07\"],\"CodeForces-493B\":[\"Vasya and Wrestling\",13344,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/493\\\"\\u003eCodeforces Round 281 (Div. 2)\\u003c/a\\u003e\"],\"UVA-872\":[\"Ordering\",2948,null],\"UVA-750\":[\"8 Queens Chess Problem\",7397,null],\"CodeForces-371C\":[\"Hamburgers\",27619,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/371\\\"\\u003eCodeforces Round 218 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-71A\":[\"Way Too Long Words\",380383,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/71\\\"\\u003eCodeforces Beta Round 65 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-141B\":[\"Hopscotch\",5671,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/141\\\"\\u003eCodeforces Round 101 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-371B\":[\"Fox Dividing Cheese\",11873,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/371\\\"\\u003eCodeforces Round 218 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-141C\":[\"Queue\",2667,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/141\\\"\\u003eCodeforces Round 101 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-262B\":[\"Roma and Changing Signs\",11347,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/262\\\"\\u003eCodeforces Round 160 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-165B\":[\"Burning Midnight Oil\",18361,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/165\\\"\\u003eCodeforces Round 112 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-298A\":[\"Snow Footprints\",11050,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/298\\\"\\u003eCodeforces Round 180 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-189A\":[\"Cut Ribbon\",67725,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/189\\\"\\u003eCodeforces Round 119 (Div. 2)\\u003c/a\\u003e\"],\"UVA-408\":[\"Uniform Generator\",8399,null],\"CodeForces-71C\":[\"Round Table Knights\",6595,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/71\\\"\\u003eCodeforces Beta Round 65 (Div. 2)\\u003c/a\\u003e\"],\"UVA-884\":[\"Factorial Factors\",3643,null],\"CodeForces-492B\":[\"Vanya and Lanterns\",76077,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/492\\\"\\u003eCodeforces Round 280 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-492C\":[\"Vanya and Exams\",14729,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/492\\\"\\u003eCodeforces Round 280 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-451C\":[\"Predict Outcome of the Game\",3457,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/451\\\"\\u003eCodeforces Round 258 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-451B\":[\"Sort the Array\",44857,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/451\\\"\\u003eCodeforces Round 258 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-88C\":[\"Trains\",141,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/88\\\"\\u003eCodeforces Beta Round 73 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-124C\":[\"Prime Permutation\",157,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/124\\\"\\u003eCodeforces Beta Round 92 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-463B\":[\"Caisa and Pylons\",27251,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/463\\\"\\u003eCodeforces Round 264 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-88B\":[\"Keyboard\",4558,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/88\\\"\\u003eCodeforces Beta Round 73 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-233B\":[\"Non-square Equation\",8181,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/233\\\"\\u003eCodeforces Round 144 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-148C\":[\"Terse princess\",3351,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/148\\\"\\u003eCodeforces Round 105 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-257C\":[\"View Angle\",4497,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/257\\\"\\u003eCodeforces Round 159 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-378C\":[\"Maze\",515,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/378\\\"\\u003eCodeforces Round 222 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-112A\":[\"Petya and Strings\",219596,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/112\\\"\\u003eCodeforces Beta Round 85 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-378B\":[\"Semifinals\",5641,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/378\\\"\\u003eCodeforces Round 222 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-257B\":[\"Playing Cubes\",7434,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/257\\\"\\u003eCodeforces Round 159 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-136A\":[\"Presents\",112336,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/136\\\"\\u003eCodeforces Beta Round 97 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-148B\":[\"Escape\",5946,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/148\\\"\\u003eCodeforces Round 105 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10600\":[\"ACM Contest and Blackout\",5706,null],\"UVA-10843\":[\"Anne\\u0027s game\",1572,null],\"UVA-737\":[\"Gleaming the Cubes\",1636,null],\"CodeForces-499C\":[\"Crazy Town\",343,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/499\\\"\\u003eCodeforces Round 284 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-584A\":[\"Olesya and Rodion\",44723,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/584\\\"\\u003eCodeforces Round 324 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-584B\":[\"Kolya and Tanya\",12458,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/584\\\"\\u003eCodeforces Round 324 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-584C\":[\"Marina and Vasya\",6440,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/584\\\"\\u003eCodeforces Round 324 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-560C\":[\"Gerald\\u0027s Hexagon\",306,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/560\\\"\\u003eCodeforces Round 313 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-450B\":[\"Jzzhu and Sequences\",27883,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/450\\\"\\u003eCodeforces Round 257 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-353C\":[\"Find Maximum\",4931,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/353\\\"\\u003eCodeforces Round 205 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-365A\":[\"Good Number\",19949,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/365\\\"\\u003eCodeforces Round 213 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1068C\":[\"Colored Rooks\",3246,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1068\\\"\\u003eCodeforces Round 518 (Div. 2) [Thanks, Mail.Ru!]\\u003c/a\\u003e\"],\"CodeForces-268A\":[\"Games\",84370,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/268\\\"\\u003eCodeforces Round 164 (Div. 2)\\u003c/a\\u003e\"],\"UVA-866\":[\"Intersecting Line Segments\",1046,null],\"UVA-10717\":[\"Mint\",2214,null],\"CodeForces-486A\":[\"Calculating Function\",121556,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/486\\\"\\u003eCodeforces Round 277 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-474A\":[\"Keyboard\",47743,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/474\\\"\\u003eCodeforces Round 271 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-486C\":[\"Palindrome Transformation\",11844,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/486\\\"\\u003eCodeforces Round 277 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-474C\":[\"Captain Marmot\",3171,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/474\\\"\\u003eCodeforces Round 271 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-680B\":[\"Bear and Finding Criminals\",24977,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/680\\\"\\u003eCodeforces Round 356 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-231C\":[\"To Add or Not to Add\",8900,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/231\\\"\\u003eCodeforces Round 143 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-340B\":[\"Maximal Area Quadrilateral\",2259,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/340\\\"\\u003eCodeforces Round 198 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-352B\":[\"Jeff and Periods\",16042,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/352\\\"\\u003eCodeforces Round 204 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-231A\":[\"Team\",321336,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/231\\\"\\u003eCodeforces Round 143 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-376B\":[\"I.O.U.\",6471,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/376\\\"\\u003eCodeforces Round 221 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-146B\":[\"Lucky Mask\",4680,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/146\\\"\\u003eCodeforces Round 104 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1237C2\":[\"Balanced Removals (Harder)\",4204,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1237\\\"\\u003eCodeforces Global Round 5\\u003c/a\\u003e\"],\"UVA-713\":[\"Adding Reversed Numbers\",9698,null],\"CodeForces-570B\":[\"Simple Game\",17306,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/570\\\"\\u003eCodeforces Round 316 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-75C\":[\"Modified GCD\",14127,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/75\\\"\\u003eCodeforces Beta Round 67 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-75B\":[\"Facetook Priority Wall\",3545,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/75\\\"\\u003eCodeforces Beta Round 67 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-63C\":[\"Bulls and Cows\",1805,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/63\\\"\\u003eCodeforces Beta Round 59 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-230B\":[\"T-primes\",77227,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/230\\\"\\u003eCodeforces Round 142 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-242C\":[\"King\\u0027s Path\",9214,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/242\\\"\\u003eCodeforces Round 149 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-363B\":[\"Fence\",52624,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/363\\\"\\u003eCodeforces Round 211 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-266A\":[\"Stones on the Table\",188311,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/266\\\"\\u003eCodeforces Round 163 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10812\":[\"Beat the Spread!\",23288,null],\"CodeForces-1030B\":[\"Vasya and Cornfield\",12322,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1030\\\"\\u003eTechnocup 2019 - Elimination Round 1\\u003c/a\\u003e\"],\"CodeForces-496B\":[\"Secret Combination\",6258,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/496\\\"\\u003eCodeforces Round 283 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-496C\":[\"Removing Columns\",8049,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/496\\\"\\u003eCodeforces Round 283 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-431C\":[\"k-Tree\",26066,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/431\\\"\\u003eCodeforces Round 247 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-431A\":[\"Black Square\",53491,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/431\\\"\\u003eCodeforces Round 247 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-225C\":[\"Barcode\",9561,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/225\\\"\\u003eCodeforces Round 139 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-443A\":[\"Anton and Letters\",91365,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/443\\\"\\u003eCodeforces Round 253 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10525\":[\"New to Bangladesh?\",796,null],\"CodeForces-225A\":[\"Dice Tower\",13464,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/225\\\"\\u003eCodeforces Round 139 (Div. 2)\\u003c/a\\u003e\"],\"SPOJ-PT07Z\":[\"Longest path in a tree\",22027,\"Co-author Amber\"],\"CodeForces-479B\":[\"Towers\",8024,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/479\\\"\\u003eCodeforces Round 274 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-588B\":[\"Duff in Love\",15038,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/588\\\"\\u003eCodeforces Round 326 (Div. 2)\\u003c/a\\u003e\"],\"UVA-374\":[\"Big Mod\",24456,null],\"CodeForces-770A\":[\"New Password\",19995,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/770\\\"\\u003eVK Cup 2017 - Qualification 2\\u003c/a\\u003e\"],\"UVA-378\":[\"Intersecting Lines\",5289,null],\"UVA-498\":[\"Polly the Polynomial\",3865,null],\"UVA-270\":[\"Lining Up\",1920,null],\"CodeForces-430C\":[\"Xor-tree\",434,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/430\\\"\\u003eCodeforces Round 245 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-430B\":[\"Balls Game\",4111,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/430\\\"\\u003eCodeforces Round 245 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-454C\":[\"Little Pony and Expected Maximum\",196,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/454\\\"\\u003eCodeforces Round 259 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-454B\":[\"Little Pony and Sort by Shift\",18530,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/454\\\"\\u003eCodeforces Round 259 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-357C\":[\"Knight Tournament\",250,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/357\\\"\\u003eCodeforces Round 207 (Div. 2)\\u003c/a\\u003e\"],\"SPOJ-SHOP\":[\"Shopping\",3238,\"Swiss Olympiad in Informatics 2004\"],\"CodeForces-236B\":[\"Easy Number Challenge\",15680,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/236\\\"\\u003eCodeforces Round 146 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-236A\":[\"Boy or Girl\",209389,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/236\\\"\\u003eCodeforces Round 146 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-369B\":[\"Valera and Contest\",6561,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/369\\\"\\u003eCodeforces Round 216 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-127A\":[\"Wasted Time\",11682,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/127\\\"\\u003eCodeforces Beta Round 93 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-466C\":[\"Number of Ways\",36381,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/466\\\"\\u003eCodeforces Round 266 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-344C\":[\"Rational Resistance\",377,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/344\\\"\\u003eCodeforces Round 200 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-102B\":[\"Sum of Digits\",27426,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/102\\\"\\u003eCodeforces Beta Round 79 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-344A\":[\"Magnets\",118474,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/344\\\"\\u003eCodeforces Round 200 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11953\":[\"Battleships\",6464,null],\"UVA-10622\":[\"Perfect P-th Powers\",3718,null],\"UVA-10986\":[\"Sending email\",10559,null],\"UVA-10865\":[\"Brownie Points\",1630,null],\"UVA-116\":[\"Unidirectional TSP\",12059,null],\"SPOJ-POUR1\":[\"Pouring water\",5641,\"An ancient problem, formulated in these words by Mr Tadeusz Ratajczak\"],\"UVA-10509\":[\"R U Kidding Mr. Feynman?\",2442,null],\"SPOJ-QUEEN\":[\"Wandering Queen\",912,\"Advancement Spring 2009, http://sevolymp.uuuq.com/\"],\"UVA-352\":[\"The Seasonal War\",12630,null],\"CodeForces-465C\":[\"No to Palindromes!\",66,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/465\\\"\\u003eCodeforces Round 265 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-550B\":[\"Preparing Olympiad\",22976,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/550\\\"\\u003eCodeforces Round 306 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-792C\":[\"Divide by Three\",4585,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/792\\\"\\u003eEducational Codeforces Round 18\\u003c/a\\u003e\"],\"UVA-477\":[\"Points in Figures: Rectangles and Circles\",6771,null],\"UVA-356\":[\"Square Pegs And Round Holes\",2192,null],\"UVA-113\":[\"Power of Cryptography\",23971,null],\"UVA-476\":[\"Points in Figures: Rectangles\",9603,null],\"CodeForces-222B\":[\"Cosmic Tables\",6520,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/222\\\"\\u003eCodeforces Round 137 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10976\":[\"Fractions Again?!\",11313,null],\"UVA-10611\":[\"The Playboy Chimp\",12001,null],\"UVA-128\":[\"Software CRC\",4076,null],\"UVA-127\":[\"\\\"Accordian\\\" Patience\",4875,null],\"UVA-369\":[\"Combinations\",15837,null],\"UVA-10617\":[\"Again Palindrome\",2698,null],\"CodeForces-476B\":[\"Dreamoon and WiFi\",32052,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/476\\\"\\u003eCodeforces Round 272 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-476C\":[\"Dreamoon and Sums\",5743,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/476\\\"\\u003eCodeforces Round 272 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-682A\":[\"Alyona and Numbers\",21702,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/682\\\"\\u003eCodeforces Round 358 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-791B\":[\"Bear and Friendship Condition\",416,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/791\\\"\\u003eCodeforces Round 405 (rated, Div. 2, based on VK Cup 2017 Round 1)\\u003c/a\\u003e\"],\"CodeForces-791A\":[\"Bear and Big Brother\",192449,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/791\\\"\\u003eCodeforces Round 405 (rated, Div. 2, based on VK Cup 2017 Round 1)\\u003c/a\\u003e\"],\"UVA-125\":[\"Numbering Paths\",2555,null],\"UVA-122\":[\"Trees on the level\",8342,null],\"UVA-12748\":[\"Wifi Access\",487,null],\"CodeForces-435B\":[\"Pasha Maximizes\",7329,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/435\\\"\\u003eCodeforces Round 249 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10325\":[\"The Lottery\",2919,null],\"CodeForces-677A\":[\"Vanya and Fence\",136996,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/677\\\"\\u003eCodeforces Round 355 (Div. 2)\\u003c/a\\u003e\"],\"SPOJ-FACENEMY\":[\"Face the mate\",183,\"\"],\"CodeForces-544B\":[\"Sea and Islands\",8675,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/544\\\"\\u003eCodeforces Round 302 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-520A\":[\"Pangram\",103073,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/520\\\"\\u003eCodeforces Round 295 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-520B\":[\"Two Buttons\",53065,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/520\\\"\\u003eCodeforces Round 295 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-520C\":[\"DNA Alignment\",4452,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/520\\\"\\u003eCodeforces Round 295 (Div. 2)\\u003c/a\\u003e\"],\"UVA-571\":[\"Jugs\",3136,null],\"CodeForces-80A\":[\"Panoramix\\u0027s Prediction\",51342,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/80\\\"\\u003eCodeforces Beta Round 69 (Div. 2 Only)\\u003c/a\\u003e\"],\"UVA-334\":[\"Identifying Concurrent Events\",864,null],\"UVA-453\":[\"Intersecting Circles\",410,null],\"UVA-10790\":[\"How Many Points of Intersection?\",3639,null],\"SPOJ-AGGRCOW\":[\"Aggressive cows\",44542,\"USACO February 2005 Gold Division\"],\"CodeForces-313C\":[\"Ilya and Matrix\",5821,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/313\\\"\\u003eCodeforces Round 186 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-337C\":[\"Quiz\",5096,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/337\\\"\\u003eCodeforces Round 196 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-216B\":[\"Forming Teams\",6672,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/216\\\"\\u003eCodeforces Round 133 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-337B\":[\"Routine Problem\",9558,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/337\\\"\\u003eCodeforces Round 196 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-349C\":[\"Mafia\",276,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/349\\\"\\u003eCodeforces Round 202 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11404\":[\"Palindromic Subsequence\",1560,null],\"CodeForces-228A\":[\"Is your horseshoe on the other hoof?\",106907,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/228\\\"\\u003eCodeforces Round 141 (Div. 2)\\u003c/a\\u003e\"],\"UVA-348\":[\"Optimal Array Multiplication Sequence\",5270,null],\"UVA-105\":[\"The Skyline Problem\",11316,null],\"CodeForces-579A\":[\"Raising Bacteria\",60989,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/579\\\"\\u003eCodeforces Round 320 (Div. 2) [Bayan Thanks-Round]\\u003c/a\\u003e\"],\"CodeForces-567A\":[\"Lineland Mail\",32758,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/567\\\"\\u003eCodeforces Round #Pi (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-688B\":[\"Lovely Palindromes\",32038,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/688\\\"\\u003eCodeforces Round 360 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-785A\":[\"Anton and Polyhedrons\",86952,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/785\\\"\\u003eCodeforces Round 404 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-567C\":[\"Geometric Progression\",9870,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/567\\\"\\u003eCodeforces Round #Pi (Div. 2)\\u003c/a\\u003e\"],\"UVA-583\":[\"Prime Factors\",11206,null],\"UVA-460\":[\"Overlapping Rectangles\",3062,null],\"UVA-101\":[\"The Blocks Problem\",22955,null],\"UVA-10308\":[\"Roads in the North\",1632,null],\"CodeForces-433B\":[\"Kuriyama Mirai\\u0027s Stones\",40375,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/433\\\"\\u003eCodeforces Round 248 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-445C\":[\"DZY Loves Physics\",80,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/445\\\"\\u003eCodeforces Round 254 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10305\":[\"Ordering Tasks\",23379,null],\"CodeForces-118D\":[\"Caesar\\u0027s Legions\",18177,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/118\\\"\\u003eCodeforces Beta Round 89 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-445B\":[\"DZY Loves Chemistry\",14417,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/445\\\"\\u003eCodeforces Round 254 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-215B\":[\"Olympic Medal\",5596,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/215\\\"\\u003eCodeforces Round 132 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-227C\":[\"Flying Saucer Segments\",83,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/227\\\"\\u003eCodeforces Round 140 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-227B\":[\"Effective Approach\",26898,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/227\\\"\\u003eCodeforces Round 140 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11753\":[\"Creating Palindrome\",950,null],\"UVA-10301\":[\"Rings and Glue\",1744,null],\"UVA-10302\":[\"Summation of Polynomials\",10885,null],\"CodeForces-469A\":[\"I Wanna Be the Guy\",95153,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/469\\\"\\u003eCodeforces Round 268 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-469B\":[\"Chat Online\",12745,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/469\\\"\\u003eCodeforces Round 268 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-699A\":[\"Launch of Collider\",17537,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/699\\\"\\u003eCodeforces Round 363 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-699C\":[\"Vacations\",1223,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/699\\\"\\u003eCodeforces Round 363 (Div. 2)\\u003c/a\\u003e\"],\"UVA-439\":[\"Knight Moves\",16550,null],\"CodeForces-675B\":[\"Restoring Painting\",8161,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/675\\\"\\u003eCodeforces Round 353 (Div. 2)\\u003c/a\\u003e\"],\"UVA-438\":[\"The Circumference of the Circle\",7852,null],\"SPOJ-FUNPROB\":[\"Yanu in Movie theatre\",1808,\"A Classical Probability Problem\"],\"CodeForces-651C\":[\"Watchmen\",644,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/651\\\"\\u003eCodeforces Round 345 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-202C\":[\"Clear Symmetry\",63,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/202\\\"\\u003eCodeforces Round 127 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11628\":[\"Another lottery\",961,null],\"CodeForces-347C\":[\"Alice and Bob\",650,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/347\\\"\\u003eCodeforces Round 201 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-129B\":[\"Students and Shoelaces\",12528,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/129\\\"\\u003eCodeforces Beta Round 94 (Div. 2 Only)\\u003c/a\\u003e\"],\"UVA-11503\":[\"Virtual Friends\",7833,null],\"UVA-10777\":[\"God! Save me\",574,null],\"HackerRank-sherlock-and-probability\":[\"Sherlock and Probability\",2055,\"\\u003ca href\\u003d\\u0027https://www.hackerrank.com/contests/master\\u0027 target\\u003d\\u0027_blank\\u0027\\u003emaster\\u003c/a\\u003e\"],\"CodeForces-686A\":[\"Free Ice Cream\",38468,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/686\\\"\\u003eCodeforces Round 359 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-577C\":[\"Vasya and Petya\\u0027s Game\",329,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/577\\\"\\u003eCodeforces Round 319 (Div. 2)\\u003c/a\\u003e\"],\"UVA-562\":[\"Dividing coins\",13847,null],\"CodeForces-1009B\":[\"Minimum Ternary String\",10719,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1009\\\"\\u003eEducational Codeforces Round 47 (Rated for Div. 2)\\u003c/a\\u003e\"],\"UVA-10003\":[\"Cutting Sticks\",17498,null],\"UVA-10242\":[\"Fourth Point !!\",6839,null],\"UVA-11573\":[\"Ocean Currents\",944,null],\"UVA-10484\":[\"Divisibility of Factors\",1580,null],\"CodeForces-16B\":[\"Burglar and Matches\",17904,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/16\\\"\\u003eCodeforces Beta Round 16 (Div. 2 Only)\\u003c/a\\u003e\"],\"UVA-10369\":[\"Arctic Network\",6218,null],\"CodeForces-415B\":[\"Mashmokh and Tokens\",6512,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/415\\\"\\u003eCodeforces Round 240 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10368\":[\"Euclid\\u0027s Game\",2325,null],\"CodeForces-427A\":[\"Police Recruits\",76115,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/427\\\"\\u003eCodeforces Round 244 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-766B\":[\"Mahmoud and a Triangle\",34358,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/766\\\"\\u003eCodeforces Round 396 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-766A\":[\"Mahmoud and Longest Uncommon Subsequence\",30571,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/766\\\"\\u003eCodeforces Round 396 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-621B\":[\"Wet Shark and Bishops\",11716,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/621\\\"\\u003eCodeforces Round 341 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-742A\":[\"Arpa’s hard exam and Mehrdad’s naive cheat\",42522,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/742\\\"\\u003eCodeforces Round 383 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-621C\":[\"Wet Shark and Flowers\",5749,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/621\\\"\\u003eCodeforces Round 341 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10490\":[\"Mr. Azad and his Son!!!!!\",3278,null],\"CodeChef-GCDMOD\":[\"Modular GCD\",6406,\"likecs\"],\"UVA-10110\":[\"Light, more light\",24409,null],\"CodeForces-402C\":[\"Searching for Graph\",6176,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/402\\\"\\u003eCodeforces Round 236 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-426B\":[\"Sereja and Mirroring\",4109,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/426\\\"\\u003eCodeforces Round 243 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-318A\":[\"Even Odds\",115986,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/318\\\"\\u003eCodeforces Round 188 (Div. 2)\\u003c/a\\u003e\"],\"SPOJ-MAKETREE\":[\"Hierarchy\",2144,\"own problem\"],\"CodeForces-535B\":[\"Tavas and SaDDas\",24133,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/535\\\"\\u003eCodeforces Round 299 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10344\":[\"23 out of 5\",7774,null],\"UVA-10462\":[\"Is There A Second Way Left?\",2722,null],\"UVA-10100\":[\"Longest Match\",3140,null],\"UVA-10461\":[\"Difference\",834,null],\"CodeForces-1237B\":[\"Balanced Tunnel\",15341,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1237\\\"\\u003eCodeforces Global Round 5\\u003c/a\\u003e\"],\"CodeForces-1237A\":[\"Balanced Rating Changes\",18989,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1237\\\"\\u003eCodeforces Global Round 5\\u003c/a\\u003e\"],\"CodeForces-304C\":[\"Lucky Permutation Triple\",251,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/304\\\"\\u003eCodeforces Round 183 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10469\":[\"To Carry or not to Carry\",16624,null],\"UVA-10106\":[\"Product\",15133,null],\"CodeForces-437B\":[\"The Child and Set\",9916,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/437\\\"\\u003eCodeforces Round 250 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-219B\":[\"Special Offer! Super Price 999 Bourles!\",6101,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/219\\\"\\u003eCodeforces Round 135 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-208A\":[\"Dubstep\",87319,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/208\\\"\\u003eCodeforces Round 130 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-667A\":[\"Pouring Rain\",8423,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/667\\\"\\u003eCodeforces Round 349 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-534B\":[\"Covered Path\",10862,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/534\\\"\\u003eCodeforces Round 298 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-546C\":[\"Soldier and Cards\",18933,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/546\\\"\\u003eCodeforces Round 304 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-776C\":[\"Molly\\u0027s Chemicals\",6382,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/776\\\"\\u003eICM Technex 2017 and Codeforces Round 400 (Div. 1 + Div. 2, combined)\\u003c/a\\u003e\"],\"CodeForces-534C\":[\"Polycarpus\\u0027 Dice\",5403,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/534\\\"\\u003eCodeforces Round 298 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-510B\":[\"Fox And Two Dots\",15512,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/510\\\"\\u003eCodeforces Round 290 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-631B\":[\"Print Check\",7829,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/631\\\"\\u003eCodeforces Round 344 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-740C\":[\"Alyona and mex\",206,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/740\\\"\\u003eCodeforces Round 381 (Div. 2)\\u003c/a\\u003e\"],\"UVA-196\":[\"Spreadsheet\",2054,null],\"UVA-10453\":[\"Make Palindrome\",2532,null],\"UVA-10452\":[\"Marcus\",5740,null],\"CodeForces-400B\":[\"Inna and New Matrix of Candies\",7800,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/400\\\"\\u003eCodeforces Round 234 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-424C\":[\"Magic Formulas\",5451,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/424\\\"\\u003eCodeforces Round 242 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10218\":[\"Let\\u0027s Dance !!!\",549,null],\"CodeForces-448B\":[\"Suffix Structures\",16140,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/448\\\"\\u003eCodeforces Round 256 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-218A\":[\"Mountain Scenery\",9210,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/218\\\"\\u003eCodeforces Round 134 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-339A\":[\"Helpful Maths\",212621,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/339\\\"\\u003eCodeforces Round 197 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-6B\":[\"President\\u0027s Office\",13104,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/6\\\"\\u003eCodeforces Beta Round 6 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-569C\":[\"Primes or Palindromes?\",128,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/569\\\"\\u003eCodeforces Round 315 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-799A\":[\"Carrot Cakes\",19047,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/799\\\"\\u003ePlayrix Codescapes Cup (Codeforces Round 413, rated, Div. 1 + Div. 2)\\u003c/a\\u003e\"],\"CodeForces-545C\":[\"Woodcutters\",28102,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/545\\\"\\u003eCodeforces Round 303 (Div. 2)\\u003c/a\\u003e\"],\"SPOJ-TOE1\":[\"Tic-Tac-Toe ( I )\",3583,\"Waterloo local 2002.09.21\"],\"SPOJ-TOE2\":[\"Tic-Tac-Toe ( II )\",2574,\"Stanford Local 2006\"],\"UVA-10168\":[\"Summation of Four Primes\",8050,null],\"UVA-12461\":[\"Airplane\",2816,null],\"CodeForces-408C\":[\"Triangle\",65,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/408\\\"\\u003eCodeforces Round 239 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-734A\":[\"Anton and Danik\",150014,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/734\\\"\\u003eCodeforces Round 379 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-746B\":[\"Decoding\",28044,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/746\\\"\\u003eCodeforces Round 386 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-758C\":[\"Unfair Poll\",4170,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/758\\\"\\u003eCodeforces Round 392 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-9A\":[\"Die Roll\",56990,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/9\\\"\\u003eCodeforces Beta Round 9 (Div. 2 Only)\\u003c/a\\u003e\"],\"SPOJ-EASYMATH\":[\"EASY MATH\",1424,\"Own\"],\"UVA-10036\":[\"Divisibility\",6076,null],\"UVA-10276\":[\"Hanoi Tower Troubles Again!\",5580,null],\"UVA-10394\":[\"Twin Primes\",11097,null],\"UVA-193\":[\"Graph Coloring\",4532,null],\"CodeForces-1206C\":[\"Almost Equal\",241,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1206\\\"\\u003eCodeforces Round 580 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-515C\":[\"Drazil and Factorial\",26521,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/515\\\"\\u003eCodeforces Round 292 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-721C\":[\"Journey\",6076,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/721\\\"\\u003eCodeforces Round 374 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-975C\":[\"Valhalla Siege\",11316,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/975\\\"\\u003eCodeforces Round 478 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11231\":[\"Black and white painting\",4401,null],\"UVA-10263\":[\"Railway\",1984,null],\"SPOJ-POSTERIN\":[\"Postering\",655,\"POI XV\"],\"HackerRank-tower-3-coloring\":[\"Tower 3-coloring\",818,\"\\u003ca href\\u003d\\u0027https://www.hackerrank.com/contests/infinitum18\\u0027 target\\u003d\\u0027_blank\\u0027\\u003einfinitum18\\u003c/a\\u003e\"],\"CodeForces-405C\":[\"Unusual Product\",4801,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/405\\\"\\u003eCodeforces Round 238 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10147\":[\"Highways\",3162,null],\"CodeForces-405A\":[\"Gravity Flip\",111404,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/405\\\"\\u003eCodeforces Round 238 (Div. 2)\\u003c/a\\u003e\"],\"SPOJ-PIR\":[\"Pyramids\",5612,\"ACM ICPC 2002-2003 NEERC, Northern Subregion\"],\"CodeForces-514A\":[\"Chewbaсca and Number\",50376,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/514\\\"\\u003eCodeforces Round 291 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-768A\":[\"Oath of the Night\\u0027s Watch\",27530,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/768\\\"\\u003eDivide by Zero 2017 and Codeforces Round 399 (Div. 1 + Div. 2, combined)\\u003c/a\\u003e\"],\"CodeForces-514B\":[\"Han Solo and Lazer Gun\",21520,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/514\\\"\\u003eCodeforces Round 291 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-732A\":[\"Buy a Shovel\",71407,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/732\\\"\\u003eCodeforces Round 377 (Div. 2)\\u003c/a\\u003e\"],\"UVA-273\":[\"Jack Straws\",988,null],\"UVA-11343\":[\"Isolated Segments\",1205,null],\"UVA-10491\":[\"Cows and Cars\",5375,null],\"CodeForces-1204A\":[\"BowWow and the Timetable\",20597,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1204\\\"\\u003eCodeforces Round 581 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10139\":[\"Factovisors\",6244,null],\"CodeForces-416C\":[\"Booking System\",7985,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/416\\\"\\u003eCodeforces Round 241 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-404A\":[\"Valera and X\",24188,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/404\\\"\\u003eCodeforces Round 237 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-767A\":[\"Snacktower\",20797,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/767\\\"\\u003eCodeforces Round 398 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-525B\":[\"Pasha and String\",9879,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/525\\\"\\u003eCodeforces Round 297 (Div. 2)\\u003c/a\\u003e\"],\"ZOJ-1200\":[\"Mining\",914,null],\"CodeForces-610B\":[\"Vika and Squares\",7927,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/610\\\"\\u003eCodeforces Round 337 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-731A\":[\"Night at the Museum\",46191,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/731\\\"\\u003eCodeforces Round 376 (Div. 2)\\u003c/a\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"NoGift","updateTime":1714220907000,"title":"[NoGift]Junior Training——从0到200","dislikeCnt":1,"content":"[toc]\n## A级难度\n\n### 第1组 初学乍道\n#### 阅读材料\n* [STL容器介绍](http://note.youdao.com/noteshare?id\u003d16a3f6edc5bcdf837d0ff5fbb37d49ea\u0026sub\u003dF13BCC3C60864EEC9567B6017EA48945)\n* [字符串 相关函数](http://note.youdao.com/noteshare?id\u003d2c1f5f5ec0637495da09680b2135434c\u0026sub\u003dDF1C95F45B6F4D20B6864F98BAB4F376)\n\n[problem:CodeForces-677A]\n[problem:CodeForces-734A]\n\n### 第2组 初学乍练\n#### 阅读材料\n* [系列文章1. 问题解决前的准备](http://note.youdao.com/noteshare?id\u003d092e68a83a88cfb3c61f5e6d93db334d\u0026sub\u003dCD58AFA075E1486E811D7D3C70923517)\n* [系列文章2. 思考 - 在纸上而不是在电脑上](http://note.youdao.com/noteshare?id\u003d88f80a1f1d893ba89f4974bb334ac6be\u0026sub\u003d34CEABDB3F094C33BFAAF4F46F8940F9)\n* [双指针 同向交替 框架](http://note.youdao.com/noteshare?id\u003d18da07edfccc4084fc8edf64db0324ca\u0026sub\u003dFDFA6CD671D943289279F943299DF9E3)\n\n[problem:CodeForces-791A]\n[problem:CodeForces-231A]\n[problem:CodeForces-263A]\n[problem:CodeForces-405A]\n[problem:CodeForces-112A]\n[problem:CodeForces-236A]\n[problem:CodeForces-59A]\n[problem:CodeForces-344A]\n[problem:CodeForces-381A]\n[problem:CodeForces-266A]\n[problem:CodeForces-427A]\n[problem:CodeForces-431A]\n[problem:CodeForces-731A]\n[problem:CodeForces-268A]\n\n### 第3组 初窥门径\n#### 阅读材料\n数学\n* [最大公约数、最小公倍数](https://www.cnblogs.com/dx123/p/16684281.html)\n* [质数、唯一分解定理、质因数分解、素数筛](http://note.youdao.com/noteshare?id\u003d3577fcdbed11bfdbf53e0cfac655dc29\u0026sub\u003dE1120BC286AE4A67A59EBD224BB70E73)\n* [向上取整](https://www.cnblogs.com/junlin623/p/17019195.html)\n\n[problem:CodeForces-732A]\n[problem:CodeForces-228A]\n[problem:CodeForces-265A]\n[problem:CodeForces-9A]\n[problem:CodeForces-294A]\n[problem:CodeForces-709A]\n[problem:CodeForces-799A]\n[problem:CodeForces-443A]\n[problem:CodeForces-71A]\n[problem:CodeForces-686A]\n[problem:CodeForces-339A]\n[problem:CodeForces-490A]\n[problem:CodeForces-770A]\n\n### * 第4组 小试身手\n#### 阅读材料\n数学\n* [集合 与 排列组合](http://note.youdao.com/noteshare?id\u003d8203a61ce412a35fb4b1b112bb8d9e63\u0026sub\u003dCFD628C1998D4873B5139FEDEEB485E3)\n* [容斥原理](https://www.bilibili.com/video/BV1s54y1f7Xi)\n算法\n* [高精度](http://note.youdao.com/noteshare?id\u003d8e6d8a9dc8d7df7f51eaaa609aa088ac\u0026sub\u003d4589E23F0431461A9D4B309E439DAD3C)\n\n[problem:UVA-10110]\n[problem:UVA-10106]\n[problem:UVA-408]\n[problem:UVA-11231]\n\n* 拆解1:[区间倍数](https://hydro.ac/d/AC_Allstar/p/118)\n* [EASY MATH 题解](http://note.youdao.com/noteshare?id\u003d5b62712d8c8dbdc4cde3defb2183adc6\u0026sub\u003d446C21F211D54C9FB4626C383BE63BAE)\n[problem:SPOJ-EASYMATH]\n\n[problem:UVA-12148]\n\n### 第5组 马马虎虎\n[problem:CodeForces-136A]\n[problem:CodeForces-567A]\n[problem:CodeForces-766A]\n[problem:CodeForces-767A]\n[problem:CodeForces-768A]\n[problem:CodeForces-520A]\n[problem:CodeForces-160A]\n[problem:CodeForces-474A]\n\n### * 第6组 略有小成\n#### 阅读材料\n[图论入门](http://note.youdao.com/noteshare?id\u003de1da29dc3e692078ac481c928771b200\u0026sub\u003d741D20BA398C40C4B20C4A6F68A03C81)\n\n[DFS](http://note.youdao.com/noteshare?id\u003da9f1106905f70e26e2d9f25d18fbb9c0\u0026sub\u003d90E81E6E31694380957FB9AE8665F83F)\n\n[topsort拓扑排序](http://note.youdao.com/noteshare?id\u003d8e93a09eaf9b4f9b337de664b00f442d\u0026sub\u003dD2562C2222C9402D982BDD83F34D5624)\n\n[并查集](http://note.youdao.com/noteshare?id\u003df43071ebfd417d3457b94487918eaa65\u0026sub\u003dD373DE555403460BBF3BB0B6A5036C02)\n\n[problem:UVA-352]\n[problem:UVA-10452]\n[problem:UVA-11953]\n[problem:CodeForces-216B]\n[problem:SPOJ-MAKETREE]\n[problem:UVA-10305]\n\n### 第7组 已有小成\n[problem:CodeForces-318A]\n[problem:CodeForces-469A]\n[problem:CodeForces-807A]\n[problem:CodeForces-584A]\n[problem:CodeForces-43A]\n[problem:CodeForces-707A]\n[problem:CodeForces-208A]\n[problem:CodeForces-404A]\n[problem:CodeForces-742A]\n[problem:CodeForces-486A]\n[problem:CodeForces-1A]\n[problem:CodeForces-785A]\n[problem:CodeForces-80A]\n[problem:CodeForces-483A]\n\n### * 第8组 登堂入室\n[problem:CodeForces-127A]\n[problem:UVA-476]\n[problem:UVA-460]\n[problem:CodeForces-270A]\n[problem:CodeForces-667A]\n[problem:UVA-10242]\n\n### 第9组 了然于胸\n[problem:CodeForces-365A]\n[problem:CodeForces-225A]\n[problem:CodeForces-682A]\n[problem:CodeForces-218A]\n[problem:CodeForces-143A]\n[problem:CodeForces-514A]\n[problem:CodeForces-382A]\n[problem:CodeForces-699A]\n[problem:CodeForces-289A]\n[problem:CodeForces-287A]\n[problem:CodeForces-296A]\n[problem:CodeForces-298A]\n[problem:CodeForces-579A]\n[problem:CodeForces-1204A]\n[problem:CodeForces-1237A]\n\n### * 第10组 心领神会\n[problem:UVA-10611]\n[problem:CodeForces-287B]\n[problem:CodeForces-165B]\n[problem:SPOJ-AGGRCOW]\n\n## B级难度\n\n### 第11组 炉火纯青\n[problem:CodeForces-66B]\n[problem:CodeForces-680B]\n[problem:CodeForces-16B]\n[problem:CodeForces-463B]\n[problem:CodeForces-102B]\n[problem:CodeForces-47B]\n[problem:CodeForces-227B]\n[problem:CodeForces-78B]\n[problem:CodeForces-746B]\n\n### * 第12组 融会贯通\n[problem:UVA-374]\n[problem:UVA-369]\n[problem:UVA-412]\n[problem:UVA-713]\n[problem:CodeForces-492B]\n\n### 第13组 登峰造极\n[problem:CodeForces-433B]\n[problem:CodeForces-363B]\n[problem:CodeForces-6B]\n[problem:CodeForces-688B]\n[problem:CodeForces-451B]\n[problem:CodeForces-810B]\n[problem:CodeForces-79B]\n[problem:CodeForces-88B]\n[problem:CodeForces-766B]\n\n### * 第14组 得道入微\n[problem:SPOJ-TOE1]\n[problem:SPOJ-TOE2]\n[problem:UVA-439]\n[problem:CodeForces-242C]\n[problem:UVA-10461]\n[problem:SPOJ-POSTERIN]\n\n### 第15组 返朴归真\n[problem:CodeForces-129B]\n[problem:CodeForces-476B]\n[problem:CodeForces-469B]\n[problem:CodeForces-215B]\n[problem:CodeForces-714B]\n[problem:CodeForces-400B]\n[problem:CodeForces-152B]\n[problem:CodeForces-186B]\n[problem:CodeForces-148B]\n\n\n### * 第16组 出神入化\n[problem:CodeForces-699C]\n[problem:CodeForces-545C]\n[problem:CodeForces-225C]\n[problem:UVA-11094]\n[problem:UVA-10865]\n\n### 第17组 超凡脱俗\n[problem:CodeForces-262B]\n[problem:CodeForces-385B]\n[problem:CodeForces-376B]\n[problem:CodeForces-352B]\n[problem:CodeForces-144B]\n[problem:CodeForces-617B]\n[problem:CodeForces-236B]\n[problem:CodeForces-514B]\n[problem:CodeForces-253B]\n[problem:CodeForces-520B]\n\n### * 第17.5组 超凡脱俗2\n[problem:UVA-378]\n[problem:UVA-10077]\n[problem:CodeForces-505B]\n\n### 第18组 一代宗师\n[problem:CodeForces-445B]\n[problem:CodeForces-584B]\n[problem:CodeForces-448B]\n[problem:CodeForces-716B]\n[problem:CodeForces-544B]\n[problem:CodeForces-141B]\n[problem:CodeForces-369B]\n[problem:CodeForces-791B]\n[problem:CodeForces-550B]\n\n### * 第19组 名动天下\n[problem:UVA-10147]\n[problem:UVA-10600]\n[problem:UVA-11503]\n[problem:UVA-10369]\n[problem:UVA-122]\n\n### 第20组 举世无双\n[problem:CodeForces-415B]\n[problem:CodeForces-602B]\n[problem:CodeForces-614B]\n[problem:CodeForces-510B]\n[problem:CodeForces-337B]\n[problem:CodeForces-493B]\n[problem:CodeForces-608B]\n[problem:CodeForces-621B]\n[problem:CodeForces-580B]\n[problem:CodeForces-535B]\n\n### 第21组 空前绝后\n[problem:CodeForces-1009B]\n[problem:CodeForces-1030B]\n[problem:CodeForces-1051B]\n[problem:CodeForces-1237B]\n\n### 第22组 * 震古烁今\n[problem:CodeForces-282B]\n[problem:CodeForces-435B]\n[problem:CodeForces-276B]\n[problem:CodeForces-525B]\n[problem:CodeForces-416C]\n[problem:CodeForces-492C]\n\n### 第23组 ** 深不可测\n[problem:UVA-105]\n[problem:UVA-10276]\n[problem:UVA-784]\n[problem:UVA-1174]\n\n## C1难度\n[problem:CodeForces-515C]\n[problem:CodeForces-304C]\n[problem:CodeForces-546C]\n[problem:CodeForces-651C]\n[problem:CodeForces-371B]\n[problem:CodeForces-588B]\n[problem:UVA-10394]\n[problem:UVA-10168]\n[problem:UVA-10325]\n[problem:CodeForces-371C]\n[problem:UVA-10717]\n[problem:SPOJ-BITMAP]\n[problem:CodeChef-GCDMOD]\n[problem:UVA-10843]\n[problem:CodeForces-437B]\n[problem:CodeForces-518B]\n[problem:CodeForces-296C]\n[problem:CodeForces-131C]\n[problem:CodeForces-88C]\n[problem:CodeForces-378B]\n[problem:CodeForces-479B]\n[problem:UVA-10469]\n[problem:UVA-10812]\n[problem:UVA-10302]\n[problem:UVA-498]\n[problem:UVA-11053]\n[problem:UVA-10509]\n[problem:SPOJ-QUEEN]\n[problem:HackerRank-sherlock-and-probability]\n[problem:CodeForces-402C]\n[problem:CodeForces-227C]\n[problem:CodeForces-577C]\n[problem:CodeForces-71C]\n[problem:CodeForces-580C]\n[problem:CodeForces-357C]\n[problem:CodeForces-219B]\n[problem:UVA-193]\n[problem:UVA-10344]\n[problem:UVA-750]\n[problem:UVA-12124]\n[problem:SPOJ-FUNPROB]\n[problem:CodeForces-424C]\n[problem:CodeForces-707C]\n[problem:CodeForces-560C]\n[problem:CodeForces-252C]\n[problem:CodeForces-353C]\n[problem:CodeForces-450B]\n[problem:CodeForces-570B]\n[problem:CodeForces-271B]\n[problem:UVA-10192]\n[problem:UVA-562]\n[problem:UVA-101]\n[problem:UVA-10036]\n[problem:UVA-11628]\n[problem:CodeForces-344C]\n[problem:CodeForces-275C]\n[problem:CodeForces-534C]\n[problem:CodeForces-631B]\n[problem:CodeForces-257B]\n[problem:CodeForces-230B]\n[problem:UVA-11753]\n[problem:UVA-10617]\n[problem:UVA-1362]\n[problem:UVA-10003]\n[problem:UVA-348]\n[problem:UVA-127]\n[problem:UVA-128]\n[problem:ZOJ-1200]\n[problem:CodeForces-378C]\n[problem:CodeForces-705C]\n[problem:CodeForces-706C]\n[problem:CodeForces-405C]\n[problem:CodeForces-486C]\n[problem:CodeForces-496C]\n[problem:CodeForces-499C]\n[problem:CodeForces-490B]\n[problem:CodeForces-610B]\n[problem:CodeForces-222B]\n[problem:UVA-583]\n[problem:UVA-10490]\n[problem:UVA-10622]\n[problem:UVA-516]\n[problem:UVA-10920]\n[problem:UVA-196]\n[problem:CodeForces-253C]\n[problem:CodeForces-604C]\n[problem:CodeForces-735C]\n[problem:CodeForces-507C]\n[problem:CodeForces-84C]\n[problem:CodeForces-584C]\n[problem:CodeForces-792C]\n[problem:CodeForces-534B]\n[problem:CodeForces-75B]\n[problem:CodeForces-979B]\n[problem:UVA-10790]\n[problem:UVA-10139]\n[problem:UVA-10976]\n[problem:CodeForces-189A]\n[problem:UVA-10491]\n[problem:UVA-10056]\n[problem:UVA-10218]\n[problem:UVA-11181]\n[problem:UVA-11628]\n[problem:UVA-12461]\n[problem:HackerRank-tower-3-coloring]\n[problem:CodeForces-445C]\n[problem:HackerRank-a-circle-and-a-square]\n[problem:UVA-11573]\n[problem:UVA-12263]\n[problem:CodeForces-822C]\n[problem:CodeForces-834C]\n[problem:CodeForces-835C]\n\n## C2难度\n[problem:CodeForces-151C]\n[problem:UVA-10368]\n[problem:SPOJ-PIR]\n[problem:UVA-113]\n[problem:UVA-10462]\n[problem:CodeForces-75C]\n[problem:CodeForces-740C]\n[problem:CodeForces-371C]\n[problem:CodeForces-621C]\n[problem:CodeForces-451C]\n[problem:CodeForces-260C]\n[problem:CodeForces-347C]\n[problem:CodeForces-959C]\n[problem:CodeForces-1206C]\n[problem:CodeForces-1220C]\n[problem:CodeForces-1065C]\n[problem:CodeForces-1036C]\n[problem:CodeForces-1068C]\n[problem:CodeForces-313C]\n[problem:CodeForces-430B]\n[problem:CodeForces-84B]\n[problem:UVA-571]\n[problem:UVA-10986]\n[problem:UVA-10801]\n[problem:SPOJ-SHOP]\n[problem:UVA-872]\n[problem:CodeForces-1064C]\n[problem:CodeForces-1059C]\n[problem:CodeForces-101933K]\n[problem:CodeForces-816B]\n[problem:CodeForces-63C]\n[problem:CodeForces-430C]\n[problem:CodeForces-591C]\n[problem:CodeForces-711C]\n[problem:CodeForces-202C]\n[problem:CodeForces-1237C2]\n[problem:CodeForces-426B]\n[problem:CodeForces-675B]\n[problem:UVA-737]\n[problem:UVA-866]\n[problem:UVA-438]\n[problem:UVA-477]\n[problem:UVA-356]\n[problem:UVA-453]\n[problem:UVA-10484]\n[problem:CodeForces-975C]\n[problem:CodeForces-1047C]\n[problem:CodeForces-1075C]\n[problem:CodeForces-758C]\n[problem:UVA-10525]\n[problem:CodeForces-124C]\n[problem:CodeForces-155C]\n[problem:CodeForces-148C]\n[problem:CodeForces-490C]\n[problem:CodeForces-476C]\n[problem:CodeForces-195C]\n[problem:CodeForces-569C]\n[problem:CodeForces-257C]\n[problem:CodeForces-454B]\n[problem:UVA-116]\n[problem:UVA-10453]\n[problem:UVA-662]\n[problem:UVA-11404]\n[problem:UVA-757]\n[problem:CodeForces-199B]\n[problem:UVA-10301]\n[problem:CodeForces-431C]\n[problem:CodeForces-118D]\n[problem:SPOJ-TWINSNOW]\n[problem:SPOJ-FACENEMY]\n[problem:CodeForces-465C]\n[problem:CodeForces-408C]\n[problem:CodeForces-231C]\n[problem:CodeForces-466C]\n[problem:CodeForces-141C]\n[problem:CodeForces-270C]\n[problem:CodeForces-160C]\n[problem:CodeForces-384B]\n[problem:CodeForces-233B]\n[problem:UVA-534]\n[problem:UVA-334]\n[problem:UVA-125]\n[problem:UVA-273]\n[problem:UVA-10100]\n[problem:UVA-11343]\n[problem:UVA-10198]\n[problem:CodeForces-349C]\n[problem:CodeForces-381C]\n[problem:CodeForces-199C]\n[problem:CodeForces-520C]\n[problem:CodeForces-567C]\n[problem:CodeForces-617C]\n[problem:CodeForces-337C]\n[problem:CodeForces-496B]\n[problem:CodeForces-471B]\n[problem:CodeForces-146B]\n[problem:SPOJ-PT07Z]\n[problem:UVA-10308]\n[problem:CodeForces-294C]\n[problem:CodeForces-721C]\n[problem:CodeForces-474C]\n[problem:CodeForces-592C]\n[problem:CodeForces-776C]\n[problem:CodeForces-719B]\n[problem:CodeForces-131B]\n[problem:UVA-10263]\n[problem:UVA-884]\n[problem:UVA-12748]\n[problem:UVA-270]\n[problem:SPOJ-POUR1]\n[problem:CodeForces-23C]\n[problem:CodeForces-869C]\n[problem:UVA-10777]\n[problem:CodeForces-839C]\n[problem:CodeForces-454C]\n[problem:HackerRank-lazy-sorting]\n[problem:SPOJ-ALIENS]\n[problem:CodeForces-340B]","threadId":183780,"likeCnt":2,"createTime":1708676590000,"isWorkbook":true,"viewCnt":868,"openness":2,"fav":false,"id":4625,"trustable":false}