# 算法 若想按部门/难度/题型筛选题目,请进入[CodeTop](https://codetop.cc)查询 |题目|出现次数|链接| |-|-|-| |补充题4. 手撕快速排序|4|https://leetcode-cn.com/problems/sort-an-array| |121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock| |128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence| |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| |215. 数组中的第K个最大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-an-array| |21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists| |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| |718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray| |2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers| |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|