| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 10 | 10 [R2D]倍数问题 | 239 / 1414 | 8 | |
| 15 | 15 [R3C]公因数求和 | 340 / 1736 | 7 | |
| 21 | 21 [R4C]因式分解 | 293 / 1191 | 7 | |
| 26 | 26 [R5B]次大质因数 | 478 / 1412 | 6 | |
| 29 | 29 [R5E]余数和 | 159 / 710 | 7 | |
| 39 | 39 [R7C]二维gcd和 | 249 / 795 | 6 | |
| 66 | 66 [R11F]二维gcd和2 | 86 / 698 | 8 | |
| 70 | 70 [R12D]二维gcd和3 | 166 / 605 | 6 | |
| 77 | 77 [R13E]合成球2 | 118 / 397 | 6 | |
| 95 | 95 [R16E]数组问题 | 123 / 365 | 6 | |
| 99 | 99 [R17C]投票分组2 | 361 / 533 | 1 | |
| 110 | 110 [R19B]乘法 | 375 / 1267 | 4 | |
| 119 | 119 [R20E]数对谜题 | 194 / 990 | 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 | 351 / 621 | 3 | |
| 249 | 249 [R40F]Yet another tree problem | 2 / 95 | 10 | |
| 390 | 390 [R62F]因数 | 45 / 217 | 7 |
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