ID 题目 显示标签 隐藏标签 AC / 尝试 难度
8776 P1854D  Michael and Hotel 0 / 0 暂无评定
8807 P1856E1  PermuTree (easy version) 0 / 0 省选/NOI-
8806 P1856E2  PermuTree (hard version) 0 / 0 10
8802 P1857D  Strong Vertices 0 / 0 普及+/提高
8799 P1857G  Counting Graphs 0 / 0 NOI/NOI+/CTSC
8794 P1858E1  Rollbacks (Easy Version) 0 / 0 9
8793 P1858E2  Rollbacks (Hard Version) 0 / 0 10
8787 P1859F  Teleportation in Byteland 0 / 0 10
8910 P1887D  Split 0 / 0 10
8903 P1889D  Game of Stacks 0 / 0 10
8902 P1889E  Doremy's Swapping Trees 0 / 0 10
8901 P1889F  Doremy's Average Tree 0 / 0 10
8893 P1891F  A Growing Tree 0 / 0 NOI/NOI+/CTSC
8882 P1895D  XOR Construction 0 / 0 省选/NOI-
8858 P1899F  Alex's whims 0 / 0 提高+/省选-
8857 P1899G  Unusual Entertainment 0 / 0 省选/NOI-
8854 P1900C  Anji's Binary Tree 0 / 0 普及+/提高
8846 P1901E  Compressed Tree 0 / 0 8
8840 P1902E  Collapsing Strings 0 / 0 省选/NOI-
8839 P1902F  Trees and XOR Queries Again 0 / 0 9
8832 P1903F  Babysitting 0 / 0 9
8971 P1942H  Farmer John's Favorite Intern 0 / 0 暂无评定
8968 P1943C  Tree Compass 0 / 0 8
8950 P1946C  Tree Cutting 0 / 0 提高+/省选-
8940 P1948G  MST with Matching 0 / 0 10
8937 P1949C  Annual Ants' Gathering 0 / 0 暂无评定
8934 P1949F  Dating 0 / 0 暂无评定
8930 P1949J  Amanda the Amoeba 0 / 0 暂无评定
8923 P1950F  0, 1, 2, Tree! 0 / 0 暂无评定
9108 P1967C  Fenwick Tree 0 / 0 8
9088 P1970A2  Balanced Unshuffle (Medium) 0 / 0 9
9087 P1970A3  Balanced Unshuffle (Hard) 0 / 0 9
9082 P1970C2  Game on Tree (Medium) 0 / 0 提高+/省选-
9081 P1970C3  Game on Tree (Hard) 0 / 0 省选/NOI-
9071 P1970G1  Min-Fund Prison (Easy) 0 / 0 省选/NOI-
9070 P1970G2  Min-Fund Prison (Medium) 0 / 0 8
9069 P1970G3  Min-Fund Prison (Hard) 0 / 0 9
9042 P1975D  Paint the Tree 0 / 0 提高+/省选-
9041 P1975E  Chain Queries 0 / 0 NOI/NOI+/CTSC
9032 P1976E  Splittable Permutations 0 / 0 暂无评定
9031 P1976F  Remove Bridges 0 / 0 暂无评定
9018 P1980G  Yasya and the Mysterious Tree 0 / 0 暂无评定
9012 P1981F  Turtle and Paths on a Tree 0 / 0 暂无评定

分类

手气不错

根据当前过滤条件随机选择一道题