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| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 705 | NOIPS2009D 靶形数独 | 0 / 0 | 5 | |
| 712 | NOIPS2011C Mayan 游戏 | 1 / 2 | 5 | |
| 679 | NOIPS2017E 宝藏 | 0 / 0 | 6 | |
| 401 | P1004 方格取数 | 0 / 0 | 4 | |
| 429 | P1025 [NOIP2001 提高组] 数的划分 | 9 / 51 | 3 | |
| 3510 | 3510 小猫爬山 | 1 / 2 | 3 | |
| 3519 | 3519 虫食算 | 1 / 1 | 2 | |
| 3521 | 3521 吃奶酪 | 1 / 7 | 4 | |
| 519 | T1440 「一本通 1.3 例 1」数的划分 | 2 / 8 | 3 | |
| 520 | T1441 「一本通 1.3 例 2」生日蛋糕 | 1 / 9 | 4 | |
| 521 | T1442 「一本通 1.3 例 3」小木棍 | 1 / 5 | 3 | |
| 523 | T1444 「一本通 1.3 练习 1」埃及分数 | 1 / 12 | 6 | |
| 524 | T1445 「一本通 1.3 练习 2」平板涂色 | 1 / 2 | 5 | |
| 526 | T1447 「一本通 1.3 练习 4」靶形数独 | 0 / 0 | 5 | |
| 814 | USACO412 Fence Rails | 0 / 0 | 3 |
Pick a problem randomly based on the current filter.
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