ID 题目 显示标签 隐藏标签 AC / 尝试 难度
8054 P9D   How many trees? 1 / 2 6
8023 P15E   Triangles 0 / 0 10
7973 P26C   Parquet 0 / 0 7
7972 P26D   Tickets 0 / 0 9
7963 P28C   Bath Queue 0 / 0 8
7917 P37D   Lesson Timetable 0 / 0 8
7892 P40E   Number Table 0 / 0 9
7868 P44I   Toys 0 / 0 8
7822 P51E   Pentagon 0 / 0 9
7819 P52B   Right Triangles 0 / 0 5
7795 P57C   Array 0 / 0 6
7627 P91C   Ski Base 0 / 0 8
7562 P107B   Basketball Team 0 / 0 5
7546 P111D   Petya and Coloring 0 / 0 8
7539 P113E   Sleeping 0 / 0 10
7501 P121C   Lucky Permutation 0 / 0 6
7494 P123C   Brackets 0 / 0 8
7490 P124B   Permutations 0 / 0 4
7475 P128C   Games with Rectangle 0 / 0 7
7458 P131C   The World is a Theatre 0 / 0 4
7440 P135E   Weak Subsequence 0 / 0 10
7421 P140E   New Year Garland 0 / 0 10
7400 P145C   Lucky Subsequence 0 / 0 7
7399 P145D   Lucky Pair 0 / 0 10
7382 P150B   Quantity of Strings 0 / 0 5
7374 P152C   Pocket Book 0 / 0 4
7357 P156C   Cipher 0 / 0 7
7356 P156D   Clues 0 / 0 9
7292 P171B   Star 0 / 0 4
7264 P176C   Playing with Superglue 0 / 0 7
7142 P201E   Thoroughly Bureaucratic Organization 0 / 0 10
7134 P204A   Little Elephant and Interval 0 / 0 5
7098 P212C   Cowboys 0 / 0 7
7094 P213B   Numbers 0 / 0 6
7084 P215E   Periodical Numbers 0 / 0 7
7075 P217D   Bitonix' Patrol 0 / 0 10
7052 P223C   Partial Sums 0 / 0 6
7028 P229C   Triangles 0 / 0 6
7026 P229E   Gifts 0 / 0 10
7017 P232B   Table 0 / 0 6
6999 P235E   Number Challenge 0 / 0 10
6938 P251A   Points on Line 0 / 0 4
6908 P258B   Little Elephant and Elections 0 / 0 6
6907 P258C   Little Elephant and LCM 0 / 0 7
6850 P272D   Dima and Two Sequences 0 / 0 5
6849 P272E   Dima and Horses 0 / 0 8
6806 P283E   Cow Tennis Tournament 0 / 0 10
6800 P285D   Permutation Sum 0 / 0 6
6799 P285E   Positions in Permutations 0 / 0 10
6790 P288B   Polo the Penguin and Houses 0 / 0 5

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根据当前过滤条件随机选择一道题