| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 250 | Y323 【例55.1】 整数奇偶排序 | 116 / 571 | 7 | |
| 251 | Y324 【例55.2】 约翰书架 | 57 / 253 | 7 | |
| 252 | Y325 【例55.3】 绝对值排序 | 84 / 370 | 7 | |
| 253 | Y326 练55.1 合影效果 | 38 / 121 | 6 | |
| 254 | Y327 练55.2 跳绳比赛 | 53 / 178 | 6 | |
| 255 | Y328 练55.3 收益最大 | 22 / 135 | 8 | |
| 256 | Y329 练55.4 沙堡 | 15 / 66 | 7 |
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