| 4749 | Try a try, AC is OK | 13 | 14 | 92.857% |
| 4750 | Window Decoration | 5 | 9 | 55.556% |
| 4751 | Disappearing Number | 4 | 9 | 44.444% |
| 4752 | Chess | 1 | 1 | 100.000% |
| 4753 | A深度自同构 | 0 | 9 | 0.000% |
| 4754 | B旅行 | 2 | 4 | 50.000% |
| 4755 | C.游走 | 1 | 2 | 50.000% |
| 4756 | D游戏 | 0 | 0 | 0.000% |
| 4757 | E数论 | 0 | 0 | 0.000% |
| 4758 | F字符串 | 0 | 0 | 0.000% |
| 4759 | G单峰数列 | 0 | 0 | 0.000% |
| 4760 | H比特跳跃 | 0 | 0 | 0.000% |
| 4761 | I生芙蕾雅 | 0 | 0 | 0.000% |
| 4762 | J绘世之卷 | 0 | 0 | 0.000% |
| 4763 | K抓拍 | 0 | 0 | 0.000% |
| 4764 | L死亡之组 | 0 | 0 | 0.000% |
| 4765 | 一起坐火车 | 0 | 4 | 0.000% |
| 4766 | Complex Maze | 0 | 0 | 0.000% |
| 4767 | Phalanx Dance | 0 | 0 | 0.000% |
| 4768 | Big Matrix | 0 | 1 | 0.000% |
| 4769 | 走，做核酸去！ | 0 | 0 | 0.000% |
| 4770 | 黑白跳棋 | 0 | 0 | 0.000% |
| 4771 | 华容道 | 0 | 0 | 0.000% |
| 4772 | 好吃的甜品 | 0 | 0 | 0.000% |
| 4773 | 共现的数 | 0 | 2 | 0.000% |
| 4774 | Fibonacci Cane | 1 | 10 | 10.000% |
| 4775 | Substrings Same as Prefix | 0 | 0 | 0.000% |
| 4776 | Substrings Same as Prefix | 0 | 0 | 0.000% |
| 4777 | 复原二叉树 | 6 | 8 | 75.000% |
| 4778 | 二叉树遍历2 | 54 | 101 | 53.465% |
| 4779 | 二叉树遍历1 | 61 | 135 | 45.185% |
| 4780 | 二叉树的遍历 | 66 | 170 | 38.824% |
| 4781 | 树的公共祖先 | 2 | 2 | 100.000% |
| 4782 | 亲属关系--并查集训练T1 | 4 | 4 | 100.000% |
| 4783 | 先序遍历二叉树 | 2 | 2 | 100.000% |
| 4784 | 后序遍历二叉树 | 2 | 2 | 100.000% |
| 4785 | 中序遍历二叉树 | 2 | 2 | 100.000% |
| 4786 | 食物链 | 4 | 4 | 100.000% |
| 4787 | 当总统 | 20 | 95 | 21.053% |
| 4788 | 正方形字符串 | 45 | 73 | 61.644% |
| 4789 | 学姐的桌面 | 25 | 101 | 24.752% |
| 4790 | 搬寝室 | 3 | 11 | 27.273% |
| 4791 | 进制转换 | 7 | 38 | 18.421% |
| 4792 | 棋盘游戏 | 3 | 3 | 100.000% |
| 4793 | 乌龟棋 | 3 | 3 | 100.000% |
| 4794 | 数的计数 | 15 | 53 | 28.302% |
| 4795 | 军事机密 | 16 | 65 | 24.615% |
| 4796 | 字符串匹配问题 | 6 | 17 | 35.294% |
| 4797 | 打地鼠 | 1 | 10 | 10.000% |
| 4798 | 18岁生日 | 10 | 49 | 20.408% |