| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 726 | P726 折点计数 | 0 / 0 | 1 | |
| 727 | P727 最大波动 | 0 / 0 | 1 | |
| 728 | P728 中间数 | 0 / 0 | 1 | |
| 859 | P859 Tournament Selection | 0 / 0 | (None) | |
| 860 | P860 Magic Squares | 0 / 0 | (None) | |
| 879 | P879 Hidden Palindrome | 0 / 0 | (None) | |
| 880 | P880 Arrival Time | 0 / 0 | (None) | |
| 881 | P881 Tandem Bicycle | 0 / 0 | (None) |
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