ID 题目 显示标签 隐藏标签 AC / 尝试 难度
33465 codeforces#P1771D   Hossam and (sub-)palindromic tree 0 / 0 (无)
33484 codeforces#P1774E   Two Chess Pieces 0 / 0 (无)
33493 codeforces#P1775D   Friendly Spiders 0 / 0 (无)
33513 codeforces#P1777D   Score of a Tree 0 / 0 (无)
33514 codeforces#P1777E   Edge Reverse 1 / 1 10
33520 codeforces#P1778E   The Tree Has Fallen! 0 / 0 (无)
33521 codeforces#P1778F   Maximizing Root 0 / 0 (无)
33551 codeforces#P1783F   Double Sort II 0 / 0 (无)
33576 codeforces#P1788F   XOR, Tree, and Queries 0 / 0 (无)
33588 codeforces#P1790F   Timofey and Black-White Tree 0 / 0 (无)
33589 codeforces#P1790G   Tokens on Graph 0 / 0 (无)
33621 codeforces#P1795F   Blocking Chips 0 / 0 (无)
33627 codeforces#P1796E   Colored Subgraphs 0 / 0 9
33640 codeforces#P1799E   City Union 0 / 0 (无)
33643 codeforces#P1799H   Tree Cutting 0 / 0 (无)
33652 codeforces#P1800G   Symmetree 1 / 7 10
33666 codeforces#P1804E   Routing 0 / 0 (无)
33673 codeforces#P1805D   A Wide, Wide Graph 0 / 0 (无)
33674 codeforces#P1805E   There Should Be a Lot of Maximums 0 / 0 (无)
33681 codeforces#P1806E   Tree Master 0 / 0 (无)
33689 codeforces#P1807F   Bouncy Ball 0 / 0 (无)
33710 codeforces#P1810E   Monsters 0 / 0 7
33719 codeforces#P1811F   Is It Flower? 0 / 0 (无)
33740 codeforces#P1815C   Between 0 / 0 8
33747 codeforces#P1817B   Fish Graph 0 / 0 6
33773 codeforces#P1822F   Gardening Friends 0 / 0 (无)
33785 codeforces#P1824C   LuoTianyi and XOR-Tree 0 / 0 (无)
33800 codeforces#P1827D   Two Centroids 0 / 0 (无)
33801 codeforces#P1827E   Bus Routes 0 / 0 (无)
33808 codeforces#P1829D   Gold Rush 0 / 0 (无)
33809 codeforces#P1829E   The Lakes 0 / 0 (无)
33810 codeforces#P1829F   Forever Winter 1 / 1 10
33813 codeforces#P1830A   Copil Copac Draws Trees 0 / 0 (无)
33834 codeforces#P1833G   Ksyusha and Chinchilla 0 / 0 (无)
33844 codeforces#P1835D   Doctor's Brown Hypothesis 0 / 0 10
33846 codeforces#P1835F   Good Graph 0 / 0 10
33865 codeforces#P1839E   Decreasing Game 0 / 0 (无)
33885 codeforces#P1842F   Tenzing and Tree 1 / 1 9
33892 codeforces#P1843D   Apple Tree 0 / 0 (无)
33894 codeforces#P1843F1   Omsk Metro (simple version) 0 / 0 (无)
33895 codeforces#P1843F2   Omsk Metro (hard version) 0 / 0 (无)
33900 codeforces#P1844E   Great Grids 1 / 2 10
33903 codeforces#P1844G   Tree Weights 0 / 1 10
33924 codeforces#P1847F   The Boss's Identity 0 / 0 (无)
33944 codeforces#P1850H   The Third Letter 0 / 0 (无)
33949 codeforces#P1851E   Nastya and Potions 0 / 0 (无)
33973 codeforces#P1856E1   PermuTree (easy version) 0 / 0 (无)
33974 codeforces#P1856E2   PermuTree (hard version) 0 / 0 (无)
33986 codeforces#P1858E1   Rollbacks (Easy Version) 0 / 0 9
33998 codeforces#P1860E   Fast Travel Text Editor 0 / 0 (无)

分类

手气不错

根据当前过滤条件随机选择一道题