ID 题目 显示标签 隐藏标签 AC / 尝试 难度
27996 codeforces#P687A   NP-Hard Problem 0 / 0 5
28000 codeforces#P687E   TOF 0 / 0 10
28004 codeforces#P689B   Mike and Shortcuts 0 / 0 5
28015 codeforces#P690C2   Brain Network (medium) 0 / 0 5
28028 codeforces#P691D   Swaps in Permutation 0 / 0 5
28032 codeforces#P696B   Puzzles 0 / 0 5
28040 codeforces#P698B   Fix a Tree 0 / 0 5
28048 codeforces#P700B   Connecting Universities 0 / 0 6
28049 codeforces#P700C   Break Up 0 / 0 10
28081 codeforces#P707D   Persistent Bookcase 0 / 0 8
28085 codeforces#P708C   Centroids 1 / 2 8
28094 codeforces#P710E   Generate a String 1 / 1 7
28099 codeforces#P711D   Directed Roads 0 / 2 6
28115 codeforces#P715C   Digit Tree 0 / 2 10
28124 codeforces#P717E   Paint it really, really dark gray 0 / 0 6
28136 codeforces#P720B   Cactusophobia 0 / 0 9
28150 codeforces#P722D   Generating Sets 0 / 0 6
28156 codeforces#P723D   Lakes in Berland 0 / 0 5
28157 codeforces#P723E   One-Way Reform 0 / 0 8
28173 codeforces#P727A   Transformation: from A to B 0 / 0 3
28187 codeforces#P730C   Bulmart 0 / 0 7
28199 codeforces#P731C   Socks 0 / 0 5
28210 codeforces#P732F   Tourist Reform 0 / 0 8
28221 codeforces#P734E   Anton and Tree 0 / 0 7
28233 codeforces#P739B   Alyona and a tree 1 / 2 6
28239 codeforces#P741A   Arpa's loud Owf and Mehrdad's evil plan 0 / 0 5
28240 codeforces#P741B   Arpa's weak amphitheater and Mehrdad's valuable Hoses 0 / 0 5
28241 codeforces#P741C   Arpa’s overnight party and Mehrdad’s silent entering 3 / 4 10
28242 codeforces#P741D   Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths 4 / 18 10
28249 codeforces#P743D   Chloe and pleasant prizes 0 / 0 6
28251 codeforces#P744A   Hongcow Builds A Nation 0 / 1 5
28269 codeforces#P747E   Comments 0 / 0 5
28277 codeforces#P748F   Santa Clauses and a Soccer Championship 0 / 0 8
28286 codeforces#P750D   New Year and Fireworks 1 / 2 6
28290 codeforces#P750H   New Year and Snowy Grid 0 / 0 10
28301 codeforces#P755C   PolandBall and Forest 0 / 0 4
28306 codeforces#P756A   Pavel and barbecue 0 / 0 5
28323 codeforces#P758E   Broken Tree 0 / 0 10
28331 codeforces#P761E   Dasha and Puzzle 0 / 0 7
28339 codeforces#P763A   Timofey and a tree 0 / 0 5
28350 codeforces#P765E   Tree Folding 0 / 0 8
28356 codeforces#P766D   Mahmoud and a Dictionary 0 / 0 7
28357 codeforces#P766E   Mahmoud and a xor trip 0 / 1 7
28360 codeforces#P767C   Garland 1 / 1 7
28364 codeforces#P768B   Code For 1 0 / 0 5
28372 codeforces#P769C   Cycle In Maze 0 / 0 5
28376 codeforces#P770C   Online Courses In BSU 0 / 7 5
28378 codeforces#P771A   Bear and Friendship Condition 1 / 1 5
28380 codeforces#P771C   Bear and Tree Jumps 0 / 0 7
28411 codeforces#P776D   The Door Problem 0 / 0 7

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