| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 12048 | P12202 [COI 2022] 回文子串 / Madioničar | 0 / 0 | 5 | |
| 12049 | P12204 [COI 2022] 委员选举 / Povierenstvo | 0 / 0 | 7 | |
| 12050 | P12205 [COI 2022] 通行证件 / Vinjete | 0 / 0 | 5 | |
| 12279 | P12401 [COI 2025] 玻利维亚 / Bolivija | 0 / 0 | 6 | |
| 12280 | P12402 [COI 2025] 贪腐 / Korupcija | 0 / 0 | 7 | |
| 12281 | P12403 [COI 2025] 象掌兽 / Lirili Larila | 0 / 0 | 7 | |
| 14086 | P14213 [COI 2010] 橡树 / HRASTOVI | 0 / 0 | 4 | |
| 14088 | P14214 [COI 2010] 圆圈 / KOLO | 0 / 0 | 4 | |
| 14087 | P14215 [COI 2010] 家族 / LOZA | 0 / 0 | 4 | |
| 14089 | P14216 [COI 2010] 机器人 / ROBOTI | 0 / 0 | 6 |
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