| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 7 | 7 [R2A]三人组队 | 759 / 1049 | 1 | |
| 9 | 9 [R2C]三元组 | 351 / 1626 | 7 | |
| 16 | 16 [R3D]拼三角形 | 189 / 883 | 7 | |
| 22 | 22 [R4D]排队问题 | 165 / 668 | 7 | |
| 27 | 27 [R5C]众数 | 383 / 1141 | 6 | |
| 30 | 30 [R5F]知识点复习 | 28 / 631 | 9 | |
| 34 | 34 [R6D]数字矩阵 | 83 / 1044 | 9 | |
| 36 | 36 [R6F]异或问题 | 40 / 440 | 9 | |
| 40 | 40 [R7D]最小极差 | 65 / 613 | 9 | |
| 41 | 41 [R7E]小球碰撞 | 26 / 201 | 8 | |
| 47 | 47 [R8E]区间MEX | 98 / 429 | 7 | |
| 64 | 64 [R11D]山谷数 | 55 / 412 | 8 | |
| 76 | 76 [R13D]支架 | 216 / 677 | 6 | |
| 87 | 87 [R15C]订单处理 | 374 / 772 | 4 | |
| 89 | 89 [R15E]扫地机器人 | 57 / 635 | 9 | |
| 105 | 105 [R18C]支架2 | 411 / 734 | 3 | |
| 117 | 117 [R20C]两两不同 | 401 / 1754 | 3 | |
| 181 | 181 [R30B]爬楼梯 | 226 / 1446 | 8 | |
| 199 | 199 [R33B]中位数 | 172 / 1260 | 8 | |
| 212 | 212 [R35C]平均数 | 219 / 941 | 7 | |
| 251 | 251 [R41B]购物 | 374 / 677 | 3 | |
| 392 | 392 [R63B]升级包 | 319 / 804 | 5 |
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