# 算法
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|题目|出现次数|链接|
|-|-|-|
|补充题4. 手撕快速排序|5|https://leetcode-cn.com/problems/sort-an-array|
|121. 买卖股票的最佳时机|4|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|215. 数组中的第K个最大元素|4|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|1143. 最长公共子序列|2|https://leetcode-cn.com/problems/longest-common-subsequence|
|498. 对角线遍历|2|https://leetcode-cn.com/problems/diagonal-traverse|
|剑指 Offer 65. 不用加减乘除做加法|2|https://leetcode-cn.com/problems/bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof|
|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
|2. 两数相加|2|https://leetcode-cn.com/problems/add-two-numbers|
|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|560. 和为K的子数组|1|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
|410. 分割数组的最大值|1|https://leetcode-cn.com/problems/split-array-largest-sum|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|73. 矩阵置零|1|https://leetcode-cn.com/problems/set-matrix-zeroes|
|695. 岛屿的最大面积|1|https://leetcode-cn.com/problems/max-area-of-island|
|面试题 17.24. 最大子矩阵|1|https://leetcode-cn.com/problems/max-submatrix-lcci|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|39. 组合总和|1|https://leetcode-cn.com/problems/combination-sum|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|