| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 1166 | 破译邮件 | 35 | 119 | 29.412% |
| 1175 | 字符串的反码 | 16 | 73 | 21.918% |
| 1176 | 字符串统计 | 51 | 105 | 48.571% |
| 1180 | 字符串的查找删除 | 11 | 56 | 19.643% |
| 1382 | 【中级组】回文字符串 | 63 | 165 | 38.182% |
| 1397 | 字符串轮转 | 73 | 150 | 48.667% |
| 1405 | 字符串中的第一个唯一字符 | 50 | 168 | 29.762% |
| 1438 | 字符串距离 | 21 | 23 | 91.304% |
| 1504 | 字符串变换 | 11 | 40 | 27.500% |
| 1527 | 颠倒字符串 | 67 | 234 | 28.632% |
| 1531 | 字符串编码 | 68 | 106 | 64.151% |
| 1532 | 字符串解码* | 65 | 147 | 44.218% |
| 1542 | 字符串中的第一个唯一字符（加强版） | 22 | 206 | 10.680% |
| 1640 | 阅读程序_字符串1 | 13 | 61 | 21.311% |
| 1714 | 编排字符串 | 21 | 58 | 36.207% |
| 1768 | 【GESP3】 颠倒字符串 | 48 | 91 | 52.747% |
| 1786 | 扰乱字符串 - nodata | 2 | 13 | 15.385% |