ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
---|---|---|---|---|
386 | P1070 [NOIP2009 普及组] 道路游戏 | 0 / 1 | 10 | |
289 | P2023 [AHOI2009] 维护序列 | 10 / 25 | 6 | |
286 | P3870 [TJOI2009] 开关 | 12 / 34 | 6 |
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