| 题目 | 掌握度 |

| ------------------------------------------------------------------------------------------------------------------ | ------ |

| [141. 环形链表](https://leetcode.cn/problems/linked-list-cycle/) | 已掌握 |

| [142. 环形链表 II](https://leetcode.cn/problems/linked-list-cycle-ii/) | 已掌握 |

| [160. 相交链表](https://leetcode.cn/problems/intersection-of-two-linked-lists/) | 已掌握 |

| [19. 删除链表的倒数第 N 个结点](https://leetcode.cn/problems/remove-nth-node-from-end-of-list/) | 已掌握 |

| [21. 合并两个有序链表](https://leetcode.cn/problems/merge-two-sorted-lists/) | 已掌握 |

| [23. 合并 K 个升序链表](https://leetcode.cn/problems/merge-k-sorted-lists/) | 未掌握 |

| [86. 分隔链表](https://leetcode.cn/problems/partition-list/) | 已掌握 |

| [876. 链表的中间结点](https://leetcode.cn/problems/middle-of-the-linked-list/) | 已掌握 |

| [剑指 Offer 22. 链表中倒数第 k 个节点](https://leetcode.cn/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof/) | 已掌握 |

| 题目 | 掌握度 |

| ------------------------------------------------------------------------------------------------------ | ------ |

| [82. 删除排序链表中的重复元素 II](https://leetcode.cn/problems/remove-duplicates-from-sorted-list-ii/) | 已掌握 |

| [378. 有序矩阵中第 K 小的元素](https://leetcode.cn/problems/kth-smallest-element-in-a-sorted-matrix/) | 未掌握 |

| [373. 查找和最小的 K 对数字](https://leetcode.cn/problems/find-k-pairs-with-smallest-sums/) | 未掌握 |

| [2. 两数相加](https://leetcode.cn/problems/add-two-numbers/) | 已掌握 |

| [445. 两数相加 II](https://leetcode.cn/problems/add-two-numbers-ii/) | 已掌握 |

| 题目 | 掌握度 |

| ------------------------------------------------------------ | ------ |

| [206. 反转链表](https://leetcode.cn/problems/reverse-linked-list/) | 未掌握 |

| [92. 反转链表 II](https://leetcode.cn/problems/reverse-linked-list-ii/) | 不熟练 |

| [25. K 个一组翻转链表](https://leetcode.cn/problems/reverse-nodes-in-k-group/) | 不熟练 |

| 题目 | 掌握度 |

| ------------------------------------------------------------ | ------ |

| [26. 删除有序数组中的重复项](https://leetcode.cn/problems/remove-duplicates-from-sorted-array/) | 已掌握 |

| [27. 移除元素](https://leetcode.cn/problems/remove-element/) | 已掌握 |

| [283. 移动零](https://leetcode.cn/problems/move-zeroes/) | 已掌握 |

| [704. 二分查找](https://leetcode.cn/problems/binary-search/) | 已掌握 |

| [1. 两数之和](https://leetcode.cn/problems/two-sum/) | 已掌握 |

| [167. 两数之和 II - 输入有序数组](https://leetcode.cn/problems/two-sum-ii-input-array-is-sorted/) | 已掌握 |

| [LCR 179. 查找总价格为目标值的两个商品](https://leetcode.cn/problems/he-wei-sde-liang-ge-shu-zi-lcof/) | 已掌握 |

| [LCR 006. 两数之和 II - 输入有序数组](https://leetcode.cn/problems/kLl5u1/) | 已掌握 |

| [344. 反转字符串](https://leetcode.cn/problems/reverse-string/) | 已掌握 |

| [5. 最长回文子串](https://leetcode.cn/problems/longest-palindromic-substring/) | 未掌握 |

| 题目 | 掌握度 |

| ------------------------------------------------------------ | ------ |

| [48. 旋转图像](https://leetcode.cn/problems/rotate-image/) | 未掌握 |

| [54. 螺旋矩阵](https://leetcode.cn/problems/spiral-matrix/) | 未掌握 |

| [59. 螺旋矩阵 II](https://leetcode.cn/problems/spiral-matrix-ii/) | 未掌握 |

| 题目 | 掌握度 |

| ------------------------------------------------------------ | ------ |

| [80. 删除有序数组中的重复项 II](https://leetcode.cn/problems/remove-duplicates-from-sorted-array-ii/) | 已掌握 |

| [125. 验证回文串](https://leetcode.cn/problems/valid-palindrome/) | 已掌握 |

| [75. 颜色分类](https://leetcode.cn/problems/sort-colors/) | 已掌握 |

| [88. 合并两个有序数组](https://leetcode.cn/problems/merge-sorted-array/) | |