| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 4462 | P5480 [BJOI2015] 回家的路【征集spj】 | 0 / 0 | (None) | |
| 4463 | P5481 [BJOI2015] 糖果 | 0 / 0 | 8 | |
| 4539 | P5547 [BJ United Round #3] 三色树 | 0 / 0 | 8 | |
| 4538 | P5548 [BJ United Round #3] 押韵 | 0 / 0 | 9 | |
| 4540 | P5549 [BJ United Round #3] 观察星象 | 0 / 0 | 8 | |
| 5234 | P6224 [BJWC2014] 数据 | 0 / 0 | 8 | |
| 5666 | P6640 [BJOI2020] 封印 | 0 / 0 | 8 | |
| 6585 | P7546 [BJWC2014] 珠链 | 0 / 0 | 8 | |
| 6587 | P7547 [BJWC2017] 太空飞船 | 0 / 0 | 7 | |
| 6602 | P7548 [BJWC2017] 星际穿越 | 0 / 0 | (None) | |
| 6604 | P7549 [BJWC2017] 神秘物质 | 0 / 0 | 7 | |
| 9836 | P10474 [ICPC 2011 Beijing R] Matrix 矩阵哈希 | 0 / 0 | 6 | |
| 11260 | P12049 KMN の培养皿 | 0 / 0 | 9 |