ID 题目 显示标签 隐藏标签 AC / 尝试 难度
8407 P9D  How many trees? 0 / 0 省选/NOI-
8376 P15E  Triangles 0 / 0 10
8326 P26C  Parquet 0 / 0 NOI/NOI+/CTSC
8325 P26D  Tickets 0 / 0 9
8316 P28C  Bath Queue 0 / 0 8
8270 P37D  Lesson Timetable 0 / 0 8
8245 P40E  Number Table 0 / 0 9
8221 P44I  Toys 0 / 0 8
8175 P51E  Pentagon 0 / 0 9
8172 P52B  Right Triangles 0 / 0 提高+/省选-
8148 P57C  Array 0 / 0 省选/NOI-
7980 P91C  Ski Base 0 / 0 8
7915 P107B  Basketball Team 0 / 0 提高+/省选-
7899 P111D  Petya and Coloring 0 / 0 8
7891 P113E  Sleeping 0 / 0 10
7854 P121C  Lucky Permutation 0 / 0 省选/NOI-
7847 P123C  Brackets 0 / 0 8
7843 P124B  Permutations 0 / 0 普及+/提高
7828 P128C  Games with Rectangle 0 / 0 NOI/NOI+/CTSC
7811 P131C  The World is a Theatre 0 / 0 普及+/提高
7793 P135E  Weak Subsequence 0 / 0 10
7774 P140E  New Year Garland 0 / 0 10
7753 P145C  Lucky Subsequence 0 / 0 NOI/NOI+/CTSC
7752 P145D  Lucky Pair 0 / 0 10
7735 P150B  Quantity of Strings 0 / 0 提高+/省选-
7727 P152C  Pocket Book 0 / 0 普及+/提高
7710 P156C  Cipher 0 / 0 NOI/NOI+/CTSC
7709 P156D  Clues 0 / 0 9
7645 P171B  Star 0 / 0 普及+/提高
7617 P176C  Playing with Superglue 0 / 0 NOI/NOI+/CTSC
7495 P201E  Thoroughly Bureaucratic Organization 0 / 0 10
7487 P204A  Little Elephant and Interval 0 / 0 提高+/省选-
7451 P212C  Cowboys 0 / 0 NOI/NOI+/CTSC
7447 P213B  Numbers 0 / 0 省选/NOI-
7437 P215E  Periodical Numbers 0 / 0 NOI/NOI+/CTSC
7428 P217D  Bitonix' Patrol 0 / 0 10
7405 P223C  Partial Sums 0 / 0 省选/NOI-
7381 P229C  Triangles 0 / 0 省选/NOI-
7379 P229E  Gifts 0 / 0 10
7370 P232B  Table 0 / 0 省选/NOI-
7352 P235E  Number Challenge 0 / 0 10
7291 P251A  Points on Line 0 / 0 普及+/提高
7261 P258B  Little Elephant and Elections 0 / 0 省选/NOI-
7260 P258C  Little Elephant and LCM 0 / 0 NOI/NOI+/CTSC
7203 P272D  Dima and Two Sequences 0 / 0 提高+/省选-
7202 P272E  Dima and Horses 0 / 0 8
7159 P283E  Cow Tennis Tournament 0 / 0 10
7153 P285D  Permutation Sum 0 / 0 省选/NOI-
7152 P285E  Positions in Permutations 0 / 0 10
7143 P288B  Polo the Penguin and Houses 0 / 0 提高+/省选-

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手气不错

根据当前过滤条件随机选择一道题