| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 10 | 10 [R2D]倍数问题 | 236 / 1402 | 8 | |
| 15 | 15 [R3C]公因数求和 | 336 / 1717 | 7 | |
| 21 | 21 [R4C]因式分解 | 290 / 1175 | 7 | |
| 26 | 26 [R5B]次大质因数 | 474 / 1397 | 6 | |
| 29 | 29 [R5E]余数和 | 155 / 701 | 7 | |
| 39 | 39 [R7C]二维gcd和 | 247 / 792 | 6 | |
| 66 | 66 [R11F]二维gcd和2 | 82 / 599 | 8 | |
| 70 | 70 [R12D]二维gcd和3 | 163 / 600 | 6 | |
| 77 | 77 [R13E]合成球2 | 117 / 396 | 6 | |
| 95 | 95 [R16E]数组问题 | 123 / 364 | 6 | |
| 99 | 99 [R17C]投票分组2 | 360 / 512 | 1 | |
| 110 | 110 [R19B]乘法 | 373 / 1235 | 4 | |
| 119 | 119 [R20E]数对谜题 | 191 / 984 | 7 | |
| 145 | 145 [R24D]发光的数码管 | 64 / 454 | 8 | |
| 146 | 146 [R24E]成环概率 | 60 / 210 | 6 | |
| 229 | 229 [R38A]不为倍数 | 347 / 598 | 2 | |
| 249 | 249 [R40F]Yet another tree problem | 2 / 54 | 10 | |
| 390 | 390 [R62F]因数 | 40 / 169 | 7 |
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