| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 7 | 7 [R2A]三人组队 | 693 / 903 | 1 | |
| 9 | 9 [R2C]三元组 | 333 / 1542 | 7 | |
| 16 | 16 [R3D]拼三角形 | 170 / 825 | 7 | |
| 22 | 22 [R4D]排队问题 | 149 / 612 | 7 | |
| 27 | 27 [R5C]众数 | 364 / 1083 | 6 | |
| 30 | 30 [R5F]知识点复习 | 25 / 601 | 9 | |
| 34 | 34 [R6D]数字矩阵 | 77 / 1007 | 9 | |
| 36 | 36 [R6F]异或问题 | 36 / 409 | 9 | |
| 40 | 40 [R7D]最小极差 | 60 / 582 | 9 | |
| 41 | 41 [R7E]小球碰撞 | 21 / 190 | 9 | |
| 47 | 47 [R8E]区间MEX | 92 / 391 | 7 | |
| 64 | 64 [R11D]山谷数 | 49 / 388 | 8 | |
| 76 | 76 [R13D]支架 | 205 / 635 | 6 | |
| 87 | 87 [R15C]订单处理 | 360 / 748 | 4 | |
| 89 | 89 [R15E]扫地机器人 | 55 / 620 | 9 | |
| 117 | 117 [R20C]两两不同 | 389 / 1663 | 3 | |
| 181 | 181 [R30B]爬楼梯 | 218 / 1406 | 8 | |
| 212 | 212 [R35C]平均数 | 214 / 919 | 7 |
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