881 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1084 P1669G  Fall Down 0 / 0 普及-
1080 P1670C  Where is the Pizza? 0 / 0 普及-
1078 P1670E  Hemose on the Tree 0 / 0 省选
1064 P1672F2  Checker for Array Shuffling 0 / 0 CTSC
1048 P1674G  Remove Directed Edges 0 / 0 提高
1042 P1675F  Vlad and Unfinished Business 0 / 0 普及
1034 P1676G  White-Black Balanced Subtrees 0 / 0 普及-
1029 P1677C  Tokitsukaze and Two Colorful Tapes 0 / 0 普及
1019 P1679D  Toss a Coin to Your Graph... 0 / 0 普及
1011 P1680F  Lenient Vertex Cover 0 / 0 CTSC
1007 P1681D  Required Length 0 / 0 普及
1005 P1681F  Unique Occurrences 0 / 0 省选
1000 P1682E  Unordered Swaps 0 / 0 CTSC
991 P1684H  Hard Cut 0 / 0 CTSC
987 P1685D1  Permutation Weight (Easy Version) 0 / 0 CTSC
971 P1689C  Infected Tree 0 / 0 普及
969 P1689E  ANDfinity 0 / 0 NOI
957 P1691E  Number of Groups 0 / 0 省选
956 P1691F  K-Set Tree 0 / 0 NOI
946 P1693B  Fake Plastic Trees 0 / 0 普及
936 P1695D1  Tree Queries (Easy Version) 0 / 0 省选
935 P1695D2  Tree Queries (Hard Version) 0 / 0 省选
934 P1695E  Ambiguous Dominoes 0 / 0 CTSC
928 P1696F  Tree Recovery 0 / 0 CTSC
891 P1702E  Split Into Two Sets 0 / 0 普及
889 P1702G1  Passable Paths (easy version) 0 / 0 普及
888 P1702G2  Passable Paths (hard version) 0 / 0 提高
860 P1706E  Qpwoeirut and Vertices 0 / 0 省选
857 P1707C  DFS Trees 0 / 0 NOI
856 P1707D  Partial Virtual Trees 0 / 0 CTSC
847 P1709E  XOR Tree 0 / 0 NOI
832 P1712F  Triameter 0 / 0 CTSC
819 P1714G  Path Prefixes 0 / 0 普及
808 P1716E  Swap and Maximum Block 0 / 0 NOI
781 P1721D  Maximum AND 0 / 0 普及
780 P1721E  Prefix Function Queries 0 / 0 省选
779 P1721F  Matching Reduction 0 / 0 CTSC
773 P1722F  L-shapes 0 / 0 普及
755 P1726D  Edge Split 0 / 0 提高
703 P1735C  Phase Shift 0 / 0 普及-
683 P1738D  Permutation Addicts 0 / 0 普及
675 P1739D  Reset K Edges 0 / 0 普及
668 P1740E  Hanging Hearts 0 / 0 普及
660 P1741D  Masha and a Beautiful Tree 0 / 0 普及-
657 P1741G  Kirill and Company 0 / 0 省选
632 P1746D  Paths on the Tree 0 / 0 普及
612 P1749E  Cactus Wall 0 / 0 NOI
611 P1749F  Distance to the Path 0 / 0 CTSC
598 P1753D  The Beach 0 / 0 NOI
589 P1758E  Tick, Tock 0 / 0 NOI
574 P1760G  SlavicG's Favorite Problem 0 / 0 普及
571 P1761C  Set Construction 0 / 0 普及-
553 P1763F  Edge Queries 0 / 0 CTSC
547 P1764F  Doremy's Experimental Tree 0 / 0 NOI
513 P1768D  Lucky Permutation 0 / 0 普及
507 P1770D  Koxia and Game 0 / 0 提高
506 P1770E  Koxia and Tree 0 / 0 NOI
499 P1771D  Hossam and (sub-)palindromic tree 0 / 0 提高
413 P1774E  Two Chess Pieces 0 / 0 普及
404 P1775D  Friendly Spiders 0 / 0 普及
384 P1777D  Score of a Tree 0 / 0 普及
383 P1777E  Edge Reverse 0 / 0 省选
377 P1778E  The Tree Has Fallen! 0 / 0 NOI
376 P1778F  Maximizing Root 0 / 0 CTSC
347 P1783F  Double Sort II 0 / 0 NOI
333 P1787D  Game on Axis 0 / 0 普及
323 P1788E  Sum Over Zero 0 / 0 省选
322 P1788F  XOR, Tree, and Queries 0 / 0 NOI
310 P1790F  Timofey and Black-White Tree 0 / 0 提高
309 P1790G  Tokens on Graph 0 / 0 省选
296 P1792E  Divisors and Table 0 / 0 NOI
277 P1795F  Blocking Chips 0 / 0 NOI
276 P1795G  Removal Sequences 0 / 0 CTSC
271 P1796E  Colored Subgraphs 0 / 0 NOI
266 P1797D  Li Hua and Tree 0 / 0 普及
264 P1797F  Li Hua and Path 0 / 0 CTSC
252 P1799E  City Union 0 / 0 省选
249 P1799H  Tree Cutting 0 / 0 CTSC
242 P1800E2  Unforgivable Curse (hard version) 0 / 0 普及
240 P1800G  Symmetree 0 / 0 省选
226 P1804E  Routing 0 / 0 NOI
219 P1805D  A Wide, Wide Graph 0 / 0 普及
218 P1805E  There Should Be a Lot of Maximums 0 / 0 省选
211 P1806E  Tree Master 0 / 0 省选
203 P1807F  Bouncy Ball 0 / 0 普及
182 P1810E  Monsters 0 / 0 提高
173 P1811F  Is It Flower? 0 / 0 提高
162 P1815C  Between 0 / 0 省选
155 P1817B  Fish Graph 0 / 0 普及
129 P1822F  Gardening Friends 0 / 0 普及
118 P1824B2  LuoTianyi and the Floating Islands (Hard Version) 0 / 0 省选
117 P1824C  LuoTianyi and XOR-Tree 0 / 1 NOI
102 P1827D  Two Centroids 0 / 0 CTSC
101 P1827E  Bus Routes 0 / 0 CTSC
94 P1829D  Gold Rush 0 / 0 普及-
93 P1829E  The Lakes 0 / 0 普及-
92 P1829F  Forever Winter 0 / 0 普及-
89 P1830A  Copil Copac Draws Trees 0 / 0 普及-
70 P1833E  Round Dance 0 / 0 普及
68 P1833G  Ksyusha and Chinchilla 0 / 0 普及

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