ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
---|---|---|---|---|
386 | P1070 [NOIP2009 普及组] 道路游戏 | 0 / 0 | (None) | |
289 | P2023 [AHOI2009] 维护序列 | 8 / 13 | 8 | |
286 | P3870 [TJOI2009] 开关 | 8 / 27 | 7 |
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