| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 9881 | P10489 [IOI 1994] The Buses | 0 / 0 | 4 | |
| 10280 | P10967 [IOI 2000] 邮局(原始版) | 0 / 0 | 4 | |
| 10607 | P11049 [IOI 2024] 尼罗河船运 | 0 / 0 | 5 | |
| 12958 | P11050 [IOI 2024] 消息篡改者 | 0 / 0 | 7 | |
| 10605 | P11051 [IOI 2024] 树上代价 | 0 / 0 | 7 | |
| 10603 | P11052 [IOI 2024] 象形文字序列 | 0 / 0 | 7 | |
| 10613 | P11053 [IOI 2024] 马赛克上色 | 0 / 0 | 6 | |
| 10608 | P11054 [IOI 2024] 斯芬克斯的谜题 | 0 / 0 | 7 | |
| 13543 | P13535 [IOI 2025] Souvenirs | 0 / 0 | 6 | |
| 13544 | P13536 [IOI 2025] 神话三峰(triples)(Part 1) | 0 / 0 | 6 | |
| 13545 | P13537 [IOI 2025] World Map | 0 / 0 | 7 | |
| 13546 | P13538 [IOI 2025] Festival | 0 / 0 | 7 | |
| 13547 | P13539 [IOI 2025] Migrations | 0 / 0 | 7 | |
| 13548 | P13540 [IOI 2025] Obstacles for a Llama | 0 / 0 | 7 | |
| 13558 | P13553 [IOI 2025] 神话三峰(triples)(Part 2) | 0 / 0 | 7 | |
| 13603 | P13612 [IOI 2018] combo 组合动作 | 0 / 0 | 5 | |
| 13604 | P13613 [IOI 2018] doll 机械娃娃 | 0 / 0 | 7 | |
| 13605 | P13614 [IOI 2018] highway 高速公路收费 | 0 / 0 | 7 |
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