ID 题目 显示标签 隐藏标签 AC / 尝试 难度
27691 codeforces#P613A   Peter and Snow Blower 0 / 0 6
27692 codeforces#P613B   Skills 1 / 1 6
27735 codeforces#P622D   Optimal Number Permutation 0 / 2 6
27778 codeforces#P630E   A rectangle 1 / 1 6
27805 codeforces#P633C   Spy Syndrome 2 0 / 0 6
27852 codeforces#P650B   Image Preview 0 / 0 6
27866 codeforces#P653C   Bear and Up-Down 0 / 0 6
27871 codeforces#P656A   Da Vinci Powers 1 / 1 6
27876 codeforces#P656F   Ace It! 1 / 1 6
27877 codeforces#P656G   You're a Professional 0 / 3 6
27889 codeforces#P660D   Number of Parallelograms 0 / 0 6
27893 codeforces#P661B   Seasons 0 / 0 6
27897 codeforces#P661F   Primes in Interval 0 / 0 6
27976 codeforces#P682D   Alyona and Strings 0 / 0 6
27985 codeforces#P683G   The Fraction 0 / 0 6
27986 codeforces#P683H   Exchange of Books 0 / 0 6
27990 codeforces#P685B   Kay and Snowflake 4 / 4 6
27998 codeforces#P687C   The Values You Can Make 0 / 0 6
28029 codeforces#P691E   Xor-sequences 0 / 0 6
28047 codeforces#P700A   As Fast As Possible 0 / 0 6
28058 codeforces#P702D   Road to Post Office 0 / 0 6
28084 codeforces#P708B   Recover the String 0 / 0 6
28099 codeforces#P711D   Directed Roads 0 / 2 6
28123 codeforces#P717D   Dexterina’s Lab 0 / 0 6
28124 codeforces#P717E   Paint it really, really dark gray 0 / 0 6
28150 codeforces#P722D   Generating Sets 0 / 0 6
28162 codeforces#P724D   Dense Subsequence 0 / 0 6
28183 codeforces#P729E   Subordinates 0 / 0 6
28194 codeforces#P730J   Bottles 0 / 0 6
28202 codeforces#P731F   Video Cards 0 / 0 6
28233 codeforces#P739B   Alyona and a tree 1 / 2 6
28252 codeforces#P744B   Hongcow's Game 0 / 0 6
28262 codeforces#P746E   Numbers Exchange 0 / 0 6
28286 codeforces#P750D   New Year and Fireworks 1 / 2 6
28314 codeforces#P757C   Felicity is Coming! 0 / 0 6
28431 codeforces#P780D   Innokenty and a Football League 0 / 0 6
28439 codeforces#P784D   Touchy-Feely Palindromes 1 / 1 6
28441 codeforces#P784F   Crunching Numbers Just for You 3 / 17 6
28466 codeforces#P792D   Paths in a Complete Binary Tree 0 / 0 6
28485 codeforces#P796C   Bank Hacking 0 / 0 6
28526 codeforces#P803C   Maximal GCD 0 / 0 6
28527 codeforces#P803D   Magazine Ad 0 / 0 6
28544 codeforces#P808D   Array Division 0 / 5 6
28557 codeforces#P811C   Vladik and Memorable Trip 0 / 0 6
28587 codeforces#P817D   Imbalanced Array 2 / 2 6
28594 codeforces#P818E   Card Game Again 0 / 0 6
28598 codeforces#P819B   Mister B and PR Shifts 0 / 0 6
28641 codeforces#P832D   Misha, Grisha and Underground 0 / 0 6
28653 codeforces#P835D   Palindromic characteristics 0 / 0 6
28670 codeforces#P839B   Game of the Rows 0 / 0 6

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手气不错

根据当前过滤条件随机选择一道题