ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
---|---|---|---|---|
6676 | L1145145 Number of Ways | 18 / 112 | 7 | |
6686 | L1145146 小学生的题 | 5 / 16 | 7 | |
71 | P1067 [NOIP2016]组合数问题 | 2 / 8 | 10 | |
6678 | P2546 差分矩阵 | 29 / 66 | 6 | |
6677 | P2548 差分 | 33 / 63 | 4 | |
6940 | P6940 贪心 | 7 / 50 | 8 | |
6603 | p7347 灯泡 | 7 / 21 | 7 |
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