| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 1678 | 消灭怪兽 | 11 | 23 | 47.826% |
| 1679 | 淘汰赛（1） | 6 | 7 | 85.714% |
| 1680 | 二叉树深度 | 8 | 11 | 72.727% |
| 1681 | 巧算年龄 | 35 | 92 | 38.043% |
| 1682 | 假期阅读 | 47 | 91 | 51.648% |
| 1683 | 值日 | 49 | 96 | 51.042% |
| 1684 | 奶牛血统 | 7 | 8 | 87.500% |
| 1685 | 二叉搜索树 | 3 | 9 | 33.333% |
| 1686 | 守望者的逃离 | 5 | 10 | 50.000% |
| 1687 | 分发奖品 | 18 | 30 | 60.000% |
| 1688 | 种植树苗 | 63 | 102 | 61.765% |
| 1689 | 跳石头(stone) | 9 | 12 | 75.000% |
| 1690 | 刷题 | 1 | 6 | 16.667% |
| 1691 | 数字特征判断 | 11 | 24 | 45.833% |
| 1692 | 瓶子兑换饮料 | 21 | 62 | 33.871% |
| 1693 | 欢乐的跳 | 16 | 95 | 16.842% |
| 1694 | 判断整数 | 24 | 46 | 52.174% |
| 1696 | 邮寄包裹 | 55 | 111 | 49.550% |
| 1698 | 牛棚入住（cow） | 22 | 73 | 30.137% |
| 1699 | 划拳（drink） | 24 | 33 | 72.727% |
| 1700 | 清理灰尘(clear) | 5 | 23 | 21.739% |
| 1701 | 答疑(answer) | 11 | 19 | 57.895% |
| 1702 | Turn It Off（light） | 8 | 18 | 44.444% |
| 1703 | 水壶(kettle) | 13 | 25 | 52.000% |
| 1704 | 商店折扣 | 51 | 121 | 42.149% |
| 1705 | 金字塔 | 26 | 31 | 83.871% |
| 1706 | 优美的数字 | 21 | 53 | 39.623% |
| 1707 | 菱形 | 23 | 26 | 88.462% |
| 1708 | 数组清零 | 14 | 23 | 60.870% |
| 1709 | 日历制作 | 5 | 22 | 22.727% |
| 1710 | 最长连续段 | 7 | 24 | 29.167% |
| 1711 | 数字选取 | 7 | 7 | 100.000% |
| 1713 | 输出所有路径 | 13 | 18 | 72.222% |
| 1714 | Roads Around The FarmS | 12 | 29 | 41.379% |
| 1715 | 商品库存管理 | 6 | 22 | 27.273% |
| 1716 | 疯狂的数列 | 18 | 82 | 21.951% |
| 1717 | 成绩排名 | 40 | 72 | 55.556% |
| 1718 | 覆盖 | 10 | 24 | 41.667% |
| 1719 | 文本清理 | 26 | 58 | 44.828% |
| 1720 | 口袋(pocket) | 18 | 44 | 40.909% |
| 1721 | Cow Cars S | 11 | 27 | 40.741% |
| 1722 | Zrinka | 4 | 25 | 16.000% |
| 1723 | 笨小猴 | 32 | 83 | 38.554% |
| 1724 | 唐僧的装备清单 | 2 | 8 | 25.000% |
| 1725 | 不与最大数相同的数字之和 | 20 | 39 | 51.282% |
| 1726 | 异或和(xor) | 6 | 23 | 26.087% |
| 1727 | 座位 (seat) | 8 | 21 | 38.095% |
| 1728 | 拼数（number) | 23 | 30 | 76.667% |
| 1729 | 评奖(award) | 46 | 80 | 57.500% |
| 1731 | IOI 文字列 (IOI String) | 11 | 14 | 78.571% |