| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 1155 | 取棋子游戏（必胜策略） | 12 | 16 | 75.000% |
| 1157 | 借书问题 | 17 | 47 | 36.170% |
| 1161 | 兔子分胡萝卜 | 43 | 75 | 57.333% |
| 1163 | 最少加油次数 | 24 | 46 | 52.174% |
| 1166 | 质数口袋 | 12 | 85 | 14.118% |
| 1171 | 元素从小到大排序 | 124 | 158 | 78.481% |
| 1188 | 乐乐的储蓄 | 53 | 75 | 70.667% |
| 1189 | 进制判断 | 31 | 56 | 55.357% |
| 1190 | 约瑟夫问题(围圈报数) | 62 | 89 | 69.663% |
| 1192 | 春游报数 | 47 | 206 | 22.816% |
| 1193 | 网站注册密码 | 5 | 20 | 25.000% |
| 1217 | 重复字符串 | 59 | 130 | 45.385% |
| 1220 | 字符串比较大小 | 72 | 110 | 65.455% |
| 1221 | 找到第一个仅出现一次的字符 | 60 | 145 | 41.379% |
| 1225 | 病毒猎手 | 47 | 123 | 38.211% |
| 1246 | 二进制中1的个数 | 36 | 54 | 66.667% |
| 1280 | 比例简化 | 6 | 8 | 75.000% |
| 1309 | 图像相似度 | 30 | 37 | 81.081% |
| 1321 | 字符矩阵 | 5 | 6 | 83.333% |
| 1327 | 填涂颜色 | 7 | 17 | 41.176% |
| 1333 | 密文解密 | 18 | 38 | 47.368% |
| 1334 | 翻转游戏币 | 11 | 19 | 57.895% |
| 1335 | 区间最小值 | 8 | 12 | 66.667% |
| 1360 | 有趣的跳跃 | 20 | 38 | 52.632% |
| 1374 | 高低位互换 | 19 | 35 | 54.286% |
| 1375 | 寻找落单筷子 | 77 | 98 | 78.571% |
| 1376 | 被覆盖的单词 | 14 | 18 | 77.778% |
| 1387 | 稀疏矩阵 | 42 | 49 | 85.714% |
| 1390 | 寻找好朋友 | 15 | 31 | 48.387% |
| 1392 | 传送门 | 4 | 8 | 50.000% |
| 1396 | 买礼品 | 13 | 19 | 68.421% |
| 1397 | 幂次方表示法(1) | 24 | 43 | 55.814% |
| 1401 | 孪生素数 | 33 | 43 | 76.744% |
| 1402 | 组合新数 | 5 | 12 | 41.667% |
| 1403 | 字母求和 | 22 | 31 | 70.968% |
| 1404 | 完全平方数 | 36 | 49 | 73.469% |
| 1411 | 倒序数 | 26 | 37 | 70.270% |
| 1415 | 拿金子 | 20 | 72 | 27.778% |
| 1419 | R进制转换为十进制 | 30 | 40 | 75.000% |
| 1420 | 十进制转R进制 | 31 | 52 | 59.615% |
| 1425 | 数据去重 | 12 | 16 | 75.000% |
| 1437 | 回文串 | 48 | 100 | 48.000% |
| 1440 | 信息加密 | 36 | 58 | 62.069% |
| 1441 | 字符串循环移位 | 18 | 49 | 36.735% |
| 1453 | 验证子串 | 46 | 134 | 34.328% |
| 1454 | 删除单词后缀 | 61 | 95 | 64.211% |
| 1455 | 过滤多余的空格 | 29 | 41 | 70.732% |
| 1457 | 单词替换 | 23 | 45 | 51.111% |
| 1458 | 最长最短单词 | 24 | 42 | 57.143% |
| 1459 | 单词的长度 | 47 | 72 | 65.278% |
| 1463 | 删除元素 | 27 | 42 | 64.286% |
| 1464 | 插入元素 | 26 | 44 | 59.091% |
| 1467 | 随机数去重和排序 | 45 | 61 | 73.770% |
| 1468 | 最后一个单词的长度 | 8 | 26 | 30.769% |
| 1469 | 文具采购最优方案 | 9 | 17 | 52.941% |
| 1471 | 解密 | 3 | 8 | 37.500% |
| 1528 | 收宝石 | 3 | 4 | 75.000% |
| 1529 | 最优参赛 | 36 | 58 | 62.069% |
| 1554 | 求数组中数值和下标相等的元素 | 13 | 23 | 56.522% |
| 1555 | 字母求和 | 35 | 46 | 76.087% |
| 1569 | 柱状图 | 4 | 5 | 80.000% |
| 1591 | 数字替换 | 24 | 50 | 48.000% |
| 1592 | 打印数字 | 6 | 13 | 46.154% |
| 1596 | 平衡序列（balance） | 18 | 51 | 35.294% |
| 1597 | 回文拼接 | 13 | 25 | 52.000% |
| 1600 | 小码移位 | 17 | 32 | 53.125% |
| 1601 | 寻找倍数 | 40 | 93 | 43.011% |
| 1612 | 2025 | 8 | 14 | 57.143% |
| 1613 | 词频统计 | 18 | 36 | 50.000% |
| 1621 | 互质数 | 45 | 87 | 51.724% |
| 1628 | 门牌号 | 16 | 46 | 34.783% |
| 1638 | 整数去重 | 27 | 53 | 50.943% |
| 1640 | 兔子比身高 | 46 | 69 | 66.667% |
| 1650 | 避雷针 | 15 | 22 | 68.182% |
| 1655 | 4的倍数 | 2 | 2 | 100.000% |
| 1669 | 石头剪刀布 | 8 | 15 | 53.333% |
| 1671 | 车厢重组 | 6 | 18 | 33.333% |
| 1672 | 瓶子交换 | 5 | 12 | 41.667% |
| 1693 | 欢乐的跳 | 16 | 95 | 16.842% |
| 1699 | 划拳（drink） | 24 | 33 | 72.727% |
| 1708 | 数组清零 | 14 | 23 | 60.870% |
| 1709 | 日历制作 | 5 | 22 | 22.727% |
| 1716 | 疯狂的数列 | 18 | 82 | 21.951% |
| 1717 | 成绩排名 | 40 | 72 | 55.556% |
| 1719 | 文本清理 | 26 | 58 | 44.828% |
| 1723 | 笨小猴 | 32 | 83 | 38.554% |
| 1729 | 评奖(award) | 46 | 80 | 57.500% |
| 1731 | IOI 文字列 (IOI String) | 11 | 14 | 78.571% |
| 1737 | A or B 字符串 | 6 | 9 | 66.667% |
| 1750 | 查找单词 | 25 | 46 | 54.348% |
| 1766 | 密码强度 | 36 | 49 | 73.469% |
| 1769 | 小杨的智慧购物 | 14 | 42 | 33.333% |
| 1770 | 基因相关性 | 5 | 7 | 71.429% |
| 1778 | 图像模糊处理 | 4 | 18 | 22.222% |
| 1796 | 奇偶校验 | 9 | 11 | 81.818% |
| 1797 | 分糖果-3 | 7 | 18 | 38.889% |
| 1808 | 彩票摇奖 | 5 | 10 | 50.000% |
| 1809 | 询问入场顺序 | 15 | 22 | 68.182% |
| 1811 | 数组调整 | 17 | 81 | 20.988% |
| 1812 | 鹅的身高 | 27 | 37 | 72.973% |
| 1824 | 最急救助 | 6 | 33 | 18.182% |
| 1839 | 小码的键盘 | 9 | 31 | 29.032% |
| 1840 | 颜料覆盖 | 6 | 18 | 33.333% |
| 1841 | 图书新编 | 12 | 28 | 42.857% |
| 1843 | 跳房子 | 4 | 7 | 57.143% |
| 1849 | 朋友数列 | 2 | 3 | 66.667% |
| 1857 | 二进制回文串 | 13 | 17 | 76.471% |
| 1860 | 凯撒密码 | 23 | 43 | 53.488% |
| 1875 | 平面上的最接近点对 | 1 | 8 | 12.500% |
| 1878 | 塔台超频 | 23 | 49 | 46.939% |
| 1879 | 小粉兔的考试 | 7 | 18 | 38.889% |
| 1880 | 小 S 大战小 Q | 29 | 57 | 50.877% |
| 1881 | 检票 | 16 | 26 | 61.538% |
| 1882 | 统计单词数 | 3 | 5 | 60.000% |
| 1886 | 小跳蛙 | 6 | 12 | 50.000% |
| 1888 | 绩点 | 23 | 58 | 39.655% |
| 1889 | 种子队 | 8 | 23 | 34.783% |