690 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1 P1680F   Lenient Vertex Cover 0 / 0 (无)
7811 P1681F   Unique Occurrences 0 / 0 (无)
7799 P1682D   Circular Spanning Tree 0 / 0 (无)
7798 P1682E   Unordered Swaps 0 / 0 (无)
7838 P1689C   Infected Tree 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)
7857 P1695D2   Tree Queries (Hard Version) 0 / 0 (无)
7880 P1696F   Tree Recovery 0 / 0 (无)
7895 P1698E   PermutationForces II 0 / 0 8
7934 P1702G1   Passable Paths (easy version) 0 / 0 6
7933 P1702G2   Passable Paths (hard version) 0 / 0 7
7914 P1706E   Qpwoeirut and Vertices 0 / 0 8
7911 P1707C   DFS Trees 0 / 0 9
7910 P1707D   Partial Virtual Trees 0 / 0 10
7949 P1709E   XOR Tree 0 / 0 (无)
7948 P1709F   Multiset of Strings 0 / 0 (无)
7944 P1710D   Recover the Tree 0 / 0 (无)
8017 P1712F   Triameter 0 / 0 10

分类

试试手气

根据当前过滤条件随机选择一道题

  1. 关于
  2. 联系我们
  3. 隐私
  4. 服务条款
  5. Language
  6. Theme
  2. 京ICP备2021032661号-1
  3. 京公网安备 11011102002149号
  4. © 2021-2025 Hydro.ac
  6. Powered by Hydro v5.0.0-beta.13