| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 10 | 10 [R2D]倍数问题 | 239 / 1416 | 8 | |
| 15 | 15 [R3C]公因数求和 | 345 / 1751 | 7 | |
| 21 | 21 [R4C]因式分解 | 296 / 1195 | 7 | |
| 26 | 26 [R5B]次大质因数 | 485 / 1441 | 6 | |
| 29 | 29 [R5E]余数和 | 160 / 714 | 7 | |
| 39 | 39 [R7C]二维gcd和 | 253 / 807 | 6 | |
| 66 | 66 [R11F]二维gcd和2 | 87 / 699 | 8 | |
| 70 | 70 [R12D]二维gcd和3 | 167 / 611 | 6 | |
| 77 | 77 [R13E]合成球2 | 119 / 398 | 6 | |
| 95 | 95 [R16E]数组问题 | 125 / 367 | 6 | |
| 99 | 99 [R17C]投票分组2 | 363 / 536 | 1 | |
| 110 | 110 [R19B]乘法 | 379 / 1273 | 4 | |
| 119 | 119 [R20E]数对谜题 | 195 / 1067 | 7 | |
| 145 | 145 [R24D]发光的数码管 | 66 / 456 | 8 | |
| 146 | 146 [R24E]成环概率 | 60 / 210 | 6 | |
| 229 | 229 [R38A]不为倍数 | 352 / 622 | 3 | |
| 249 | 249 [R40F]Yet another tree problem | 3 / 96 | 10 | |
| 390 | 390 [R62F]因数 | 45 / 217 | 7 |
By signing up a 代码源竞赛平台 universal account, you can submit code and join discussions in all online judging services provided by us.