790 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
74 P1669G   Fall Down 0 / 0 (无)
70 P1670C   Where is the Pizza? 0 / 0 (无)
68 P1670E   Hemose on the Tree 0 / 0 (无)
54 P1672F2   Checker for Array Shuffling 0 / 0 (无)
38 P1674G   Remove Directed Edges 0 / 0 (无)
32 P1675F   Vlad and Unfinished Business 0 / 0 (无)
24 P1676G   White-Black Balanced Subtrees 0 / 0 (无)
19 P1677C   Tokitsukaze and Two Colorful Tapes 0 / 0 (无)
9 P1679D   Toss a Coin to Your Graph... 0 / 0 (无)
1 P1680F   Lenient Vertex Cover 0 / 0 (无)
7813 P1681D   Required Length 0 / 0 (无)
7811 P1681F   Unique Occurrences 0 / 0 (无)
7798 P1682E   Unordered Swaps 0 / 0 (无)
7807 P1685D1   Permutation Weight (Easy Version) 0 / 0 (无)
7838 P1689C   Infected Tree 0 / 0 (无)
7836 P1689E   ANDfinity 0 / 0 (无)
7824 P1691E   Number of Groups 0 / 0 (无)
7823 P1691F   K-Set Tree 0 / 0 (无)
7868 P1693B   Fake Plastic Trees 0 / 0 (无)
7858 P1695D1   Tree Queries (Easy Version) 0 / 0 (无)

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根据当前过滤条件随机选择一道题

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