ID 题目 显示标签 隐藏标签 AC / 尝试 难度
4181 codeforces#P687A  NP-Hard Problem 0 / 0 5
4177 codeforces#P687E  TOF 0 / 0 10
4173 codeforces#P689B  Mike and Shortcuts 0 / 0 5
4162 codeforces#P690C2  Brain Network (medium) 0 / 0 5
4149 codeforces#P691D  Swaps in Permutation 0 / 0 5
4145 codeforces#P696B  Puzzles 0 / 0 5
4137 codeforces#P698B  Fix a Tree 0 / 0 5
4129 codeforces#P700B  Connecting Universities 0 / 0 6
4128 codeforces#P700C  Break Up 0 / 0 10
4096 codeforces#P707D  Persistent Bookcase 0 / 0 8
4092 codeforces#P708C  Centroids 1 / 2 8
4083 codeforces#P710E  Generate a String 1 / 1 7
4077 codeforces#P711D  Directed Roads 0 / 2 6
4062 codeforces#P715C  Digit Tree 0 / 2 10
4054 codeforces#P717E  Paint it really, really dark gray 0 / 0 6
4041 codeforces#P720B  Cactusophobia 0 / 0 9
4028 codeforces#P722D  Generating Sets 0 / 0 6
4020 codeforces#P723D  Lakes in Berland 0 / 0 5
4021 codeforces#P723E  One-Way Reform 0 / 0 8
4004 codeforces#P727A  Transformation: from A to B 0 / 0 3
3990 codeforces#P730C  Bulmart 0 / 0 7
3976 codeforces#P731C  Socks 0 / 0 5
3967 codeforces#P732F  Tourist Reform 0 / 0 8
3957 codeforces#P734E  Anton and Tree 0 / 0 7
3944 codeforces#P739B  Alyona and a tree 1 / 2 6
3937 codeforces#P741A  Arpa's loud Owf and Mehrdad's evil plan 0 / 0 5
3938 codeforces#P741B  Arpa's weak amphitheater and Mehrdad's valuable Hoses 0 / 0 5
3936 codeforces#P741C  Arpa’s overnight party and Mehrdad’s silent entering 3 / 4 10
3935 codeforces#P741D  Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths 4 / 18 10
3928 codeforces#P743D  Chloe and pleasant prizes 0 / 0 6
3926 codeforces#P744A  Hongcow Builds A Nation 0 / 1 5
3908 codeforces#P747E  Comments 0 / 0 5
3900 codeforces#P748F  Santa Clauses and a Soccer Championship 0 / 0 8
3891 codeforces#P750D  New Year and Fireworks 1 / 2 6
3887 codeforces#P750H  New Year and Snowy Grid 0 / 0 10
3876 codeforces#P755C  PolandBall and Forest 0 / 0 4
3871 codeforces#P756A  Pavel and barbecue 0 / 0 5
3854 codeforces#P758E  Broken Tree 0 / 0 10
3825 codeforces#P761E  Dasha and Puzzle 0 / 0 7
3817 codeforces#P763A  Timofey and a tree 0 / 0 5
3806 codeforces#P765E  Tree Folding 0 / 0 8
3800 codeforces#P766D  Mahmoud and a Dictionary 0 / 0 7
3799 codeforces#P766E  Mahmoud and a xor trip 0 / 1 7
3796 codeforces#P767C  Garland 1 / 1 7
3792 codeforces#P768B  Code For 1 0 / 0 5
3784 codeforces#P769C  Cycle In Maze 0 / 0 5
3780 codeforces#P770C  Online Courses In BSU 0 / 7 5
3778 codeforces#P771A  Bear and Friendship Condition 1 / 1 5
3776 codeforces#P771C  Bear and Tree Jumps 0 / 0 7
3745 codeforces#P776D  The Door Problem 0 / 0 7

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