ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4485 P613A  Peter and Snow Blower 0 / 0 6
4484 P613B  Skills 1 / 1 6
4442 P622D  Optimal Number Permutation 0 / 0 6
4399 P630E  A rectangle 1 / 1 6
4371 P633C  Spy Syndrome 2 0 / 0 6
4325 P650B  Image Preview 0 / 0 6
4311 P653C  Bear and Up-Down 0 / 0 6
4306 P656A  Da Vinci Powers 1 / 1 6
4301 P656F  Ace It! 1 / 1 6
4300 P656G  You're a Professional 0 / 3 6
4288 P660D  Number of Parallelograms 0 / 0 6
4283 P661B  Seasons 0 / 0 6
4280 P661F  Primes in Interval 0 / 0 6
4201 P682D  Alyona and Strings 0 / 0 6
4193 P683G  The Fraction 0 / 0 6
4192 P683H  Exchange of Books 0 / 0 6
4187 P685B  Kay and Snowflake 3 / 3 6
4179 P687C  The Values You Can Make 0 / 0 6
4148 P691E  Xor-sequences 0 / 0 6
4130 P700A  As Fast As Possible 0 / 0 6
4118 P702D  Road to Post Office 0 / 0 6
4093 P708B  Recover the String 0 / 0 6
4077 P711D  Directed Roads 0 / 2 6
4053 P717D  Dexterina’s Lab 0 / 0 6
4054 P717E  Paint it really, really dark gray 0 / 0 6
4028 P722D  Generating Sets 0 / 0 6
4015 P724D  Dense Subsequence 0 / 0 6
3994 P729E  Subordinates 0 / 0 6
3983 P730J  Bottles 0 / 0 6
3975 P731F  Video Cards 0 / 0 6
3944 P739B  Alyona and a tree 1 / 2 6
3925 P744B  Hongcow's Game 0 / 0 6
3915 P746E  Numbers Exchange 0 / 0 6
3891 P750D  New Year and Fireworks 1 / 1 6
3862 P757C  Felicity is Coming! 0 / 0 6
3725 P780D  Innokenty and a Football League 0 / 0 6
3717 P784D  Touchy-Feely Palindromes 1 / 1 6
3714 P784F  Crunching Numbers Just for You 3 / 17 6
3690 P792D  Paths in a Complete Binary Tree 0 / 0 6
3671 P796C  Bank Hacking 0 / 0 6
3630 P803C  Maximal GCD 0 / 0 6
3629 P803D  Magazine Ad 0 / 0 6
3612 P808D  Array Division 0 / 5 6
3599 P811C  Vladik and Memorable Trip 0 / 0 6
3569 P817D  Imbalanced Array 2 / 2 6
3562 P818E  Card Game Again 0 / 0 6
3558 P819B  Mister B and PR Shifts 0 / 0 6
3515 P832D  Misha, Grisha and Underground 0 / 0 6
3503 P835D  Palindromic characteristics 0 / 0 6
3486 P839B  Game of the Rows 0 / 0 6

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