ID 题目 显示标签 隐藏标签 AC / 尝试 难度
343 P1676G   White-Black Balanced Subtrees 0 / 0 4
320 P1680F   Lenient Vertex Cover 0 / 0 10
314 P1681F   Unique Occurrences 0 / 0 8
310 P1682D   Circular Spanning Tree 0 / 0 7
309 P1682E   Unordered Swaps 0 / 0 10
280 P1689C   Infected Tree 0 / 0 5
265 P1691F   K-Set Tree 0 / 0 9
255 P1693B   Fake Plastic Trees 0 / 0 5
245 P1695D1   Tree Queries (Easy Version) 0 / 0 8
244 P1695D2   Tree Queries (Hard Version) 0 / 0 8
237 P1696F   Tree Recovery 0 / 0 10
224 P1698E   PermutationForces II 0 / 0 8
198 P1702G1   Passable Paths (easy version) 0 / 0 6
197 P1702G2   Passable Paths (hard version) 0 / 0 7
169 P1706E   Qpwoeirut and Vertices 0 / 0 8
166 P1707C   DFS Trees 0 / 0 9
165 P1707D   Partial Virtual Trees 1 / 1 10
156 P1709E   XOR Tree 0 / 0 9
155 P1709F   Multiset of Strings 0 / 0 9
151 P1710D   Recover the Tree 0 / 0 10
141 P1712F   Triameter 0 / 1 10
129 P1714F   Build a Tree and That Is It 0 / 0 6
128 P1714G   Path Prefixes 0 / 0 5
105 P1718D   Permutation for Burenka 0 / 0 10
96 P1720D1   Xor-Subsequence (easy version) 1 / 1 6
95 P1720D2   Xor-Subsequence (hard version) 1 / 1 9
89 P1721E   Prefix Function Queries 0 / 0 8
76 P1725E   Electrical Efficiency 0 / 0 9
72 P1725I   Imitating the Key Tree 0 / 0 10
71 P1725J   Journey 0 / 0 9
64 P1726D   Edge Split 0 / 0 7
11 P1738D   Permutation Addicts 0 / 0 6
9 P1738F   Connectivity Addicts 0 / 0 9
3 P1739D   Reset K Edges 0 / 0 (无)
8170 P1740E   Hanging Hearts 0 / 0 6
8167 P1740H   MEX Tree Manipulation 0 / 0 10
8095 P1741D   Masha and a Beautiful Tree 0 / 0 (无)
8109 P1746D   Paths on the Tree 0 / 0 (无)
8156 P1748E   Yet Another Array Counting Problem 0 / 0 8
8128 P1749F   Distance to the Path 0 / 0 (无)
8238 P1767E   Algebra Flash 0 / 0 9
8237 P1767F   Two Subtrees 0 / 0 10
8226 P1770E   Koxia and Tree 0 / 0 (无)
8219 P1771D   Hossam and (sub-)palindromic tree 0 / 0 7
8217 P1771F   Hossam and Range Minimum Query 0 / 0 9
8208 P1773B   BinCoin 0 / 0 8
8194 P1774E   Two Chess Pieces 0 / 0 6
8191 P1774G   Segment Covering 0 / 0 10
8290 P1777D   Score of a Tree 0 / 0 (无)
8289 P1777E   Edge Reverse 0 / 0 (无)

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