ID 题目 显示标签 隐藏标签 AC / 尝试 难度
7852 codeforces#P1674G  Remove Directed Edges 0 / 0 (无)
7866 codeforces#P1675F  Vlad and Unfinished Business 0 / 0 (无)
7889 codeforces#P1676G  White-Black Balanced Subtrees 0 / 0 (无)
7878 codeforces#P1677C  Tokitsukaze and Two Colorful Tapes 1 / 3 10
7904 codeforces#P1679D  Toss a Coin to Your Graph... 1 / 3 10
7896 codeforces#P1680F  Lenient Vertex Cover 1 / 1 10
7924 codeforces#P1681D  Required Length 1 / 1 10
7922 codeforces#P1681F  Unique Occurrences 1 / 1 10
7917 codeforces#P1682E  Unordered Swaps 0 / 0 (无)
7932 codeforces#P1685D1  Permutation Weight (Easy Version) 0 / 0 (无)
7948 codeforces#P1687C  Sanae and Giant Robot 0 / 0 (无)
7966 codeforces#P1689C  Infected Tree 0 / 0 (无)
7964 codeforces#P1689E  ANDfinity 0 / 0 (无)
7937 codeforces#P1691E  Number of Groups 0 / 0 (无)
7936 codeforces#P1691F  K-Set Tree 1 / 2 10
7973 codeforces#P1692D  The Clock 0 / 0 (无)
7995 codeforces#P1693B  Fake Plastic Trees 0 / 0 (无)
7985 codeforces#P1695D1  Tree Queries (Easy Version) 0 / 0 (无)
7984 codeforces#P1695D2  Tree Queries (Hard Version) 0 / 0 (无)
7983 codeforces#P1695E  Ambiguous Dominoes 0 / 0 (无)
7999 codeforces#P1696F  Tree Recovery 0 / 0 (无)
7960 codeforces#P1697D  Guess The String 0 / 0 (无)
7959 codeforces#P1697E  Coloring 0 / 0 (无)
8026 codeforces#P1702E  Split Into Two Sets 0 / 0 5
8024 codeforces#P1702G1  Passable Paths (easy version) 0 / 0 6
8023 codeforces#P1702G2  Passable Paths (hard version) 0 / 0 7
8043 codeforces#P1707C  DFS Trees 1 / 1 10
8042 codeforces#P1707D  Partial Virtual Trees 0 / 0 (无)
8066 codeforces#P1709E  XOR Tree 0 / 0 (无)
8099 codeforces#P1712F  Triameter 0 / 0 (无)
8080 codeforces#P1714G  Path Prefixes 0 / 0 (无)
8124 codeforces#P1715D  2+ doors 0 / 0 (无)
8128 codeforces#P1721F  Matching Reduction 0 / 0 (无)
8135 codeforces#P1722F  L-shapes 0 / 0 (无)
8164 codeforces#P1726D  Edge Split 0 / 0 (无)
8217 codeforces#P1735C  Phase Shift 0 / 0 4
8210 codeforces#P1738D  Permutation Addicts 0 / 0 (无)
8202 codeforces#P1739D  Reset K Edges 0 / 0 (无)
8292 codeforces#P1740E  Hanging Hearts 0 / 0 (无)
8236 codeforces#P1741D  Masha and a Beautiful Tree 0 / 0 (无)
8251 codeforces#P1746D  Paths on the Tree 1 / 4 6
8270 codeforces#P1749E  Cactus Wall 0 / 0 (无)
8269 codeforces#P1749F  Distance to the Path 0 / 0 (无)
8339 codeforces#P1758E  Tick, Tock 1 / 1 10
8331 codeforces#P1760G  SlavicG's Favorite Problem 0 / 0 (无)
8328 codeforces#P1761C  Set Construction 1 / 1 10
8348 codeforces#P1764F  Doremy's Experimental Tree 0 / 0 (无)
8389 codeforces#P1766C  Hamiltonian Wall 0 / 0 (无)
8438 codeforces#P1768D  Lucky Permutation 0 / 0 (无)
8424 codeforces#P1770D  Koxia and Game 0 / 0 (无)

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手气不错

根据当前过滤条件随机选择一道题