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{"workbook":{"problemsBrief":"{\"CodeForces-20C\":[\"Dijkstra?\",34303,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/20\\\"\\u003eCodeforces Alpha Round 20 (Codeforces format)\\u003c/a\\u003e\"],\"CodeForces-431D\":[\"Random Task\",2348,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/431\\\"\\u003eCodeforces Round 247 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-253A\":[\"Boys and Girls\",11628,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/253\\\"\\u003eCodeforces Round 154 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-386B\":[\"Fly, freebies, fly!\",2549,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/386\\\"\\u003eTesting Round 9\\u003c/a\\u003e\"],\"CodeForces-156C\":[\"Cipher\",2529,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/156\\\"\\u003eCodeforces Round 110 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-334B\":[\"Eight Point Sets\",3964,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/334\\\"\\u003eCodeforces Round 194 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-346C\":[\"Number Transformation II\",1466,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/346\\\"\\u003eCodeforces Round 201 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-358C\":[\"Dima and Containers\",2059,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/358\\\"\\u003eCodeforces Round 208 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-427D\":[\"Match \\u0026 Catch\",2309,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/427\\\"\\u003eCodeforces Round 244 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-427C\":[\"Checkposts\",14125,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/427\\\"\\u003eCodeforces Round 244 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-439D\":[\"Devu and his Brother\",6385,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/439\\\"\\u003eCodeforces Round 251 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-548B\":[\"Mike and Fun\",8844,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/548\\\"\\u003eCodeforces Round 305 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-633D\":[\"Fibonacci-ish\",2795,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/633\\\"\\u003eManthan, Codefest 16\\u003c/a\\u003e\"],\"CodeForces-471C\":[\"MUH and House of Cards\",3793,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/471\\\"\\u003eCodeforces Round 269 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-471D\":[\"MUH and Cube Walls\",8685,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/471\\\"\\u003eCodeforces Round 269 (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-131D\":[\"Subway\",4765,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/131\\\"\\u003eCodeforces Beta Round 95 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-276D\":[\"Little Girl and Maximum XOR\",14224,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/276\\\"\\u003eCodeforces Round 169 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-385C\":[\"Bear and Prime Numbers\",10222,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/385\\\"\\u003eCodeforces Round 226 (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-276C\":[\"Little Girl and Maximum Sum\",26119,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/276\\\"\\u003eCodeforces Round 169 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-45D\":[\"Event Dates\",1727,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/45\\\"\\u003eSchool Team Contest 3 (Winter Computer School 2010/11)\\u003c/a\\u003e\"],\"CodeForces-115E\":[\"Linear Kingdom Races\",1511,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/115\\\"\\u003eCodeforces Beta Round 87 (Div. 1 Only)\\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-402D\":[\"Upgrading Array\",2719,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/402\\\"\\u003eCodeforces Round 236 (Div. 2)\\u003c/a\\u003e\"],\"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-305C\":[\"Ivan and Powers of Two\",2733,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/305\\\"\\u003eCodeforces Round 184 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-438D\":[\"The Child and Sequence\",9316,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/438\\\"\\u003eCodeforces Round 250 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-208D\":[\"Prizes, Prizes, more Prizes\",7750,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/208\\\"\\u003eCodeforces Round 130 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-329B\":[\"Biridian Forest\",6759,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/329\\\"\\u003eCodeforces Round 192 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-508D\":[\"Tanya and Password\",3331,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/508\\\"\\u003eCodeforces Round 288 (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-4B\":[\"Before an Exam\",25122,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/4\\\"\\u003eCodeforces Beta Round 4 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-4C\":[\"Registration System\",90103,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/4\\\"\\u003eCodeforces Beta Round 4 (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-4D\":[\"Mysterious Present\",10534,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/4\\\"\\u003eCodeforces Beta Round 4 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-61D\":[\"Eternal Victory\",6928,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/61\\\"\\u003eCodeforces Beta Round 57 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-280C\":[\"Game on Tree\",3965,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/280\\\"\\u003eCodeforces Round 172 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-61E\":[\"Enemy is weak\",10957,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/61\\\"\\u003eCodeforces Beta Round 57 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-280B\":[\"Maximum Xor Secondary\",4739,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/280\\\"\\u003eCodeforces Round 172 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-166E\":[\"Tetrahedron\",21599,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/166\\\"\\u003eCodeforces Round 113 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-251C\":[\"Number Transformation\",1053,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/251\\\"\\u003eCodeforces Round 153 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-372C\":[\"Watching Fireworks is Fun\",4226,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/372\\\"\\u003eCodeforces Round 219 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-372B\":[\"Counting Rectangles is Fun\",2690,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/372\\\"\\u003eCodeforces Round 219 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-251A\":[\"Points on Line\",17861,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/251\\\"\\u003eCodeforces Round 153 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-263B\":[\"Squares\",9512,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/263\\\"\\u003eCodeforces Round 161 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-154C\":[\"Double Profiles\",2843,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/154\\\"\\u003eCodeforces Round 109 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-223C\":[\"Partial Sums\",1721,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/223\\\"\\u003eCodeforces Round 138 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-299B\":[\"Ksusha the Squirrel\",5378,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/299\\\"\\u003eCroc Champ 2013 - Round 2 (Div. 2 Edition)\\u003c/a\\u003e\"],\"CodeForces-126B\":[\"Password\",20621,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/126\\\"\\u003eCodeforces Beta Round 93 (Div. 1 Only)\\u003c/a\\u003e\"],\"CodeForces-449D\":[\"Jzzhu and Numbers\",4376,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/449\\\"\\u003eCodeforces Round 257 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-219D\":[\"Choosing Capital for Treeland\",9988,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/219\\\"\\u003eCodeforces Round 135 (Div. 2)\\u003c/a\\u003e\"],\"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-219C\":[\"Color Stripe\",7118,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/219\\\"\\u003eCodeforces Round 135 (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-383D\":[\"Antimatter\",3164,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/383\\\"\\u003eCodeforces Round 225 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-165D\":[\"Beard Graph\",1735,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/165\\\"\\u003eCodeforces Round 112 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-383C\":[\"Propagating tree\",6731,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/383\\\"\\u003eCodeforces Round 225 (Div. 1)\\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-246D\":[\"Colorful Graph\",9722,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/246\\\"\\u003eCodeforces Round 151 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-367C\":[\"Sereja and the Arrangement of Numbers\",1811,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/367\\\"\\u003eCodeforces Round 215 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-400C\":[\"Inna and Huge Candy Matrix\",3134,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/400\\\"\\u003eCodeforces Round 234 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1167D\":[\"Bicolored RBS\",7090,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1167\\\"\\u003eEducational Codeforces Round 65 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-149E\":[\"Martian Strings\",2233,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/149\\\"\\u003eCodeforces Round 106 (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\"],\"CodeForces-327D\":[\"Block Tower\",2405,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/327\\\"\\u003eCodeforces Round 191 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-315B\":[\"Sereja and Array\",7418,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/315\\\"\\u003eCodeforces Round 187 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-327C\":[\"Magic Five\",3709,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/327\\\"\\u003eCodeforces Round 191 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-339D\":[\"Xenia and Bit Operations\",26506,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/339\\\"\\u003eCodeforces Round 197 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-327B\":[\"Hungry Sequence\",20393,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/327\\\"\\u003eCodeforces Round 191 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-339C\":[\"Xenia and Weights\",8818,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/339\\\"\\u003eCodeforces Round 197 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-339B\":[\"Xenia and Ringroad\",67949,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/339\\\"\\u003eCodeforces Round 197 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-409D\":[\"Big Data\",1742,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/409\\\"\\u003eApril Fools Day Contest 2014\\u003c/a\\u003e\"],\"CodeForces-626C\":[\"Block Towers\",5082,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/626\\\"\\u003e8VC Venture Cup 2016 - Elimination Round\\u003c/a\\u003e\"],\"CodeForces-545C\":[\"Woodcutters\",28103,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/545\\\"\\u003eCodeforces Round 303 (Div. 2)\\u003c/a\\u003e\"],\"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-682C\":[\"Alyona and the Tree\",7834,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/682\\\"\\u003eCodeforces Round 358 (Div. 2)\\u003c/a\\u003e\"],\"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\"],\"CodeForces-76D\":[\"Plus and xor\",2151,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/76\\\"\\u003eAll-Ukrainian School Olympiad in Informatics\\u003c/a\\u003e\"],\"CodeForces-140D\":[\"New Year Contest\",2298,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/140\\\"\\u003eCodeforces Round 100\\u003c/a\\u003e\"],\"CodeForces-382C\":[\"Arithmetic Progression\",8566,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/382\\\"\\u003eCodeforces Round 224 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-370B\":[\"Berland Bingo\",2574,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/370\\\"\\u003eCodeforces Round 217 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-152C\":[\"Pocket Book\",10937,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/152\\\"\\u003eCodeforces Round 108 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-285C\":[\"Building Permutation\",24339,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/285\\\"\\u003eCodeforces Round 175 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-285A\":[\"Slightly Decreasing Permutations\",13566,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/285\\\"\\u003eCodeforces Round 175 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-297B\":[\"Fish Weight\",3558,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/297\\\"\\u003eCodeforces Round 180 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-245D\":[\"Restoring Table\",2422,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/245\\\"\\u003eCROC-MBTU 2012, Elimination Round (ACM-ICPC)\\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-342A\":[\"Xenia and Divisors\",12923,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/342\\\"\\u003eCodeforces Round 199 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-366C\":[\"Dima and Salad\",5841,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/366\\\"\\u003eCodeforces Round 214 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-459D\":[\"Pashmak and Parmida\\u0027s problem\",10599,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/459\\\"\\u003eCodeforces Round 261 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-572B\":[\"Order Book\",8462,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/572\\\"\\u003eCodeforces Round 317 [AimFund Thanks-Round] (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-381B\":[\"Sereja and Stairs\",6991,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/381\\\"\\u003eCodeforces Round 223 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-25D\":[\"Roads not only in Berland\",11502,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/25\\\"\\u003eCodeforces Beta Round 25 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-296B\":[\"Yaroslav and Two Strings\",2210,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/296\\\"\\u003eCodeforces Round 179 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-353D\":[\"Queue\",3156,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/353\\\"\\u003eCodeforces Round 205 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-377C\":[\"Captains Mode\",1206,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/377\\\"\\u003eCodeforces Round 222 (Div. 1)\\u003c/a\\u003e\"],\"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-609E\":[\"Minimum spanning tree for each edge\",7857,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/609\\\"\\u003eEducational Codeforces Round 3\\u003c/a\\u003e\"],\"CodeForces-1096D\":[\"Easy Problem\",8466,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1096\\\"\\u003eEducational Codeforces Round 57 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-600C\":[\"Make Palindrome\",6204,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/600\\\"\\u003eEducational Codeforces Round 2\\u003c/a\\u003e\"],\"CodeForces-486B\":[\"OR in Matrix\",17542,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/486\\\"\\u003eCodeforces Round 277 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-555E\":[\"Case of Computer Network\",2384,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/555\\\"\\u003eCodeforces Round 310 (Div. 1)\\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-474D\":[\"Flowers\",25770,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/474\\\"\\u003eCodeforces Round 271 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-474E\":[\"Pillars\",3462,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/474\\\"\\u003eCodeforces Round 271 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-50B\":[\"Choosing Symbol Pairs\",6542,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/50\\\"\\u003eCodeforces Beta Round 47\\u003c/a\\u003e\"],\"CodeForces-283B\":[\"Cow Program\",3861,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/283\\\"\\u003eCodeforces Round 174 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-295C\":[\"Greg and Friends\",1837,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/295\\\"\\u003eCodeforces Round 179 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-86D\":[\"Powerful array\",14626,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/86\\\"\\u003eYandex.Algorithm 2011: Round 2\\u003c/a\\u003e\"],\"CodeForces-283A\":[\"Cows and Sequence\",6706,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/283\\\"\\u003eCodeforces Round 174 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-34B\":[\"Sale\",53482,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/34\\\"\\u003eCodeforces Beta Round 34 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-110B\":[\"Lucky String\",10853,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/110\\\"\\u003eCodeforces Beta Round 84 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-255D\":[\"Mr. Bender and Square\",2047,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/255\\\"\\u003eCodeforces Round 156 (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-22C\":[\"System Administrator\",3247,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/22\\\"\\u003eCodeforces Beta Round 22 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-255C\":[\"Almost Arithmetical Progression\",4938,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/255\\\"\\u003eCodeforces Round 156 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-255B\":[\"Code Parsing\",5328,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/255\\\"\\u003eCodeforces Round 156 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-203D\":[\"Hit Ball\",1498,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/203\\\"\\u003eCodeforces Round 128 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-279C\":[\"Ladder\",8429,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/279\\\"\\u003eCodeforces Round 171 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-433C\":[\"Ryouko\\u0027s Memory Note\",2552,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/433\\\"\\u003eCodeforces Round 248 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-215D\":[\"Hot Days\",1705,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/215\\\"\\u003eCodeforces Round 132 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-433B\":[\"Kuriyama Mirai\\u0027s Stones\",40377,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/433\\\"\\u003eCodeforces Round 248 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-336C\":[\"Vasily the Bear and Sequence\",2605,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/336\\\"\\u003eCodeforces Round 195 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-118E\":[\"Bertown roads\",6447,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/118\\\"\\u003eCodeforces Beta Round 89 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-336B\":[\"Vasily the Bear and Fly\",1243,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/336\\\"\\u003eCodeforces Round 195 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-348A\":[\"Mafia\",13591,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/348\\\"\\u003eCodeforces Round 202 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-566D\":[\"Restructuring Company\",3657,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/566\\\"\\u003eVK Cup 2015 - Finals, online mirror\\u003c/a\\u003e\"],\"CodeForces-190D\":[\"Non-Secret Cypher\",2460,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/190\\\"\\u003eCodeforces Round 120 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-190B\":[\"Surrounded\",3035,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/190\\\"\\u003eCodeforces Round 120 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-380C\":[\"Sereja and Brackets\",14743,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/380\\\"\\u003eCodeforces Round 223 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-282C\":[\"XOR and OR\",9781,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/282\\\"\\u003eCodeforces Round 173 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-242E\":[\"XOR on Segment\",9405,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/242\\\"\\u003eCodeforces Round 149 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-242D\":[\"Dispute\",1976,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/242\\\"\\u003eCodeforces Round 149 (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-242B\":[\"Big Segment\",15968,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/242\\\"\\u003eCodeforces Round 149 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-387C\":[\"George and Number\",2322,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/387\\\"\\u003eCodeforces Round 227 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-432C\":[\"Prime Swaps\",2590,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/432\\\"\\u003eCodeforces Round 246 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-404D\":[\"Minesweeper 1D\",2272,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/404\\\"\\u003eCodeforces Round 237 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-888E\":[\"Maximum Subsequence\",7516,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/888\\\"\\u003eEducational Codeforces Round 32\\u003c/a\\u003e\"],\"CodeForces-525E\":[\"Anya and Cubes\",3078,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/525\\\"\\u003eCodeforces Round 297 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-622C\":[\"Not Equal on a Segment\",6775,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/622\\\"\\u003eEducational Codeforces Round 7\\u003c/a\\u003e\"],\"CodeForces-2C\":[\"Commentator problem\",1662,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/2\\\"\\u003eCodeforces Beta Round 2\\u003c/a\\u003e\"],\"CodeForces-581D\":[\"Three Logos\",3675,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/581\\\"\\u003eCodeforces Round 322 (Div. 2)\\u003c/a\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"incra","updateTime":1681437680000,"title":"CF题单","dislikeCnt":0,"content":"\n\n\n二分查找\n[problem:CodeForces-34B]\n[problem:CodeForces-251A]\n[problem:CodeForces-285A]\n[problem:CodeForces-276C]\n[problem:CodeForces-433B]\n[problem:CodeForces-454B]\n[problem:CodeForces-474D]\n[problem:CodeForces-545C]\n[problem:CodeForces-548B]\n[problem:CodeForces-626C]\n\n并查集\n[problem:CodeForces-25D]\n[problem:CodeForces-1096D]\n[problem:CodeForces-1167D]\n[problem:CodeForces-131B]\n[problem:CodeForces-131C]\n[problem:CodeForces-154C]\n[problem:CodeForces-297B]\n[problem:CodeForces-329B]\n[problem:CodeForces-348A]\n[problem:CodeForces-372B]\n[problem:CodeForces-383D]\n[problem:CodeForces-459D]\n[problem:CodeForces-609E]\n\n贪心法与拟阵\n[problem:CodeForces-381B]\n[problem:CodeForces-507C]\n[problem:CodeForces-581D]\n[problem:CodeForces-633D]\n[problem:CodeForces-682C]\n[problem:CodeForces-141C]\n[problem:CodeForces-233B]\n[problem:CodeForces-282C]\n[problem:CodeForces-334B]\n[problem:CodeForces-336B]\n[problem:CodeForces-382C]\n[problem:CodeForces-387C]\n[problem:CodeForces-402D]\n[problem:CodeForces-424C]\n[problem:CodeForces-427D]\n[problem:CodeForces-439D]\n\n动态规划\n[problem:CodeForces-215D]\n[problem:CodeForces-245D]\n[problem:CodeForces-253A]\n[problem:CodeForces-327B]\n[problem:CodeForces-337C]\n[problem:CodeForces-367C]\n[problem:CodeForces-372C]\n[problem:CodeForces-380C]\n[problem:CodeForces-409D]\n\nDFS\n[problem:CodeForces-4C]\n[problem:CodeForces-126B]\n[problem:CodeForces-208D]\n[problem:CodeForces-230B]\n[problem:CodeForces-255C]\n[problem:CodeForces-279C]\n[problem:CodeForces-283B]\n[problem:CodeForces-299B]\n[problem:CodeForces-327C]\n[problem:CodeForces-404D]\n[problem:CodeForces-476B]\n\n剪枝\n[problem:CodeForces-22C]\n[problem:CodeForces-45D]\n[problem:CodeForces-149E]\n[problem:CodeForces-219C]\n[problem:CodeForces-223C]\n[problem:CodeForces-251C]\n[problem:CodeForces-280C]\n[problem:CodeForces-339B]\n[problem:CodeForces-110B]\n[problem:CodeForces-165D]\n[problem:CodeForces-190D]\n[problem:CodeForces-255B]\n[problem:CodeForces-283A]\n[problem:CodeForces-353D]\n[problem:CodeForces-370B]\n[problem:CodeForces-437B]\n[problem:CodeForces-508D]\n[problem:CodeForces-525E]\n[problem:CodeForces-566D]\n图论\n[problem:CodeForces-4B]\n[problem:CodeForces-20C]\n[problem:CodeForces-50B]\n[problem:CodeForces-71C]\n[problem:CodeForces-152C]\n[problem:CodeForces-255D]\n[problem:CodeForces-263B]\n[problem:CodeForces-280B]\n[problem:CodeForces-296B]\n[problem:CodeForces-342A]\n[problem:CodeForces-352B]\n[problem:CodeForces-377C]\n\n倍增算法\n[problem:CodeForces-339C]\n[problem:CodeForces-385C]\n[problem:CodeForces-400C]\n[problem:CodeForces-432C]\n[problem:CodeForces-466C]\n[problem:CodeForces-471C]\n[problem:CodeForces-888E]\n[problem:CodeForces-140D]\n[problem:CodeForces-76D]\n[problem:CodeForces-276D]\n\n离散化\n[problem:CodeForces-4D]\n[problem:CodeForces-61E]\n[problem:CodeForces-166E]\n[problem:CodeForces-219D]\n[problem:CodeForces-386B]\n[problem:CodeForces-433C]\n[problem:CodeForces-572B]\n[problem:CodeForces-61D]\n[problem:CodeForces-131D]\n[problem:CodeForces-285C]\n\n线段树\n\n[problem:CodeForces-2C]\n[problem:CodeForces-242B]\n[problem:CodeForces-295C]\n[problem:CodeForces-305C]\n[problem:CodeForces-313C]\n[problem:CodeForces-339D]\n[problem:CodeForces-402C]\n[problem:CodeForces-438D]\n[problem:CodeForces-449D]\n[problem:CodeForces-242C]\n[problem:CodeForces-242D]\n[problem:CodeForces-246D]\n[problem:CodeForces-572B]\n[problem:CodeForces-474E]\n[problem:CodeForces-486C]\n[problem:CodeForces-617C]\n\n树状数组\n[problem:CodeForces-86D]\n[problem:CodeForces-190B]\n[problem:CodeForces-315B]\n[problem:CodeForces-327D]\n[problem:CodeForces-336C]\n[problem:CodeForces-346C]\n[problem:CodeForces-358C]\n[problem:CodeForces-383C]\n[problem:CodeForces-427C]\n[problem:CodeForces-431D]\n[problem:CodeForces-242E]\n[problem:CodeForces-115E]\n[problem:CodeForces-118E]\n[problem:CodeForces-156C]\n[problem:CodeForces-203D]\n[problem:CodeForces-366C]\n[problem:CodeForces-471D]\n[problem:CodeForces-486B]\n[problem:CodeForces-555E]\n[problem:CodeForces-600C]\n[problem:CodeForces-622C]\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","threadId":141402,"likeCnt":0,"createTime":1681358850000,"isWorkbook":true,"viewCnt":663,"openness":2,"fav":false,"id":3572,"trustable":false}