| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 10 | 10 [R2D]倍数问题 | 224 / 1347 | 8 | |
| 15 | 15 [R3C]公因数求和 | 328 / 1694 | 7 | |
| 21 | 21 [R4C]因式分解 | 280 / 1146 | 7 | |
| 26 | 26 [R5B]次大质因数 | 471 / 1389 | 6 | |
| 29 | 29 [R5E]余数和 | 153 / 696 | 7 | |
| 39 | 39 [R7C]二维gcd和 | 243 / 783 | 6 | |
| 66 | 66 [R11F]二维gcd和2 | 82 / 599 | 8 | |
| 70 | 70 [R12D]二维gcd和3 | 162 / 592 | 6 | |
| 77 | 77 [R13E]合成球2 | 117 / 396 | 6 | |
| 95 | 95 [R16E]数组问题 | 121 / 354 | 6 | |
| 99 | 99 [R17C]投票分组2 | 359 / 506 | 1 | |
| 110 | 110 [R19B]乘法 | 372 / 1226 | 4 | |
| 119 | 119 [R20E]数对谜题 | 191 / 984 | 7 | |
| 145 | 145 [R24D]发光的数码管 | 63 / 453 | 8 | |
| 146 | 146 [R24E]成环概率 | 59 / 209 | 6 | |
| 249 | 249 [R40F]Yet another tree problem | 1 / 52 | 10 |
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