ID 题目 显示标签 隐藏标签 AC / 尝试 难度
917 P1676G   White-Black Balanced Subtrees 0 / 0 4
894 P1680F   Lenient Vertex Cover 0 / 0 10
888 P1681F   Unique Occurrences 0 / 0 8
884 P1682D   Circular Spanning Tree 0 / 0 7
883 P1682E   Unordered Swaps 0 / 0 10
854 P1689C   Infected Tree 0 / 0 5
839 P1691F   K-Set Tree 0 / 0 9
829 P1693B   Fake Plastic Trees 0 / 0 5
819 P1695D1   Tree Queries (Easy Version) 0 / 0 8
818 P1695D2   Tree Queries (Hard Version) 0 / 0 8
811 P1696F   Tree Recovery 0 / 0 10
798 P1698E   PermutationForces II 0 / 0 8
761 P1702G1   Passable Paths (easy version) 0 / 0 6
760 P1702G2   Passable Paths (hard version) 0 / 0 7
732 P1706E   Qpwoeirut and Vertices 0 / 0 8
729 P1707C   DFS Trees 0 / 0 9
728 P1707D   Partial Virtual Trees 0 / 0 10
719 P1709E   XOR Tree 0 / 0 9
718 P1709F   Multiset of Strings 0 / 0 9
714 P1710D   Recover the Tree 0 / 0 10
704 P1712F   Triameter 0 / 0 10
692 P1714F   Build a Tree and That Is It 0 / 0 6
691 P1714G   Path Prefixes 0 / 0 5
668 P1718D   Permutation for Burenka 0 / 0 10
659 P1720D1   Xor-Subsequence (easy version) 0 / 0 6
658 P1720D2   Xor-Subsequence (hard version) 0 / 0 9
652 P1721E   Prefix Function Queries 0 / 0 8
639 P1725E   Electrical Efficiency 0 / 0 9
635 P1725I   Imitating the Key Tree 0 / 0 10
634 P1725J   Journey 0 / 0 9
627 P1726D   Edge Split 0 / 0 7
555 P1738D   Permutation Addicts 0 / 0 6
553 P1738F   Connectivity Addicts 0 / 0 9
547 P1739D   Reset K Edges 0 / 0 6
540 P1740E   Hanging Hearts 0 / 0 6
537 P1740H   MEX Tree Manipulation 0 / 0 10
532 P1741D   Masha and a Beautiful Tree 0 / 0 4
504 P1746D   Paths on the Tree 0 / 0 6
490 P1748E   Yet Another Array Counting Problem 0 / 0 8
483 P1749F   Distance to the Path 0 / 0 10
441 P1761E   Make It Connected 0 / 0 9
438 P1761G   Centroid Guess 0 / 0 10
433 P1762E   Tree Sum 0 / 0 10
425 P1763F   Edge Queries 0 / 0 10
419 P1764F   Doremy's Experimental Tree 0 / 0 9
390 P1767E   Algebra Flash 0 / 0 9
389 P1767F   Two Subtrees 0 / 0 10
378 P1770E   Koxia and Tree 0 / 0 9
371 P1771D   Hossam and (sub-)palindromic tree 0 / 0 7
369 P1771F   Hossam and Range Minimum Query 0 / 0 9

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