| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 4233 | NOIP0H [NOIP2010 提高组] 引水入城 | 0 / 6 | 10 | |
| 4355 | NOIP2002F [NOIP2002 提高组] 字串变换 | 2 / 5 | 10 | |
| 402 | NOIPS2017D [NOIP2017 提高组] 奶酪 | 6 / 10 | 9 | |
| 1301 | 1301 [六省联考 2017] 寿司餐厅 | 0 / 0 | (None) | |
| 4448 | P1415 [Noi2005]聪聪和可可 | 0 / 0 | (None) |
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