# 前端 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| |-|-|-| |415. 字符串相加|14|https://leetcode-cn.com/problems/add-strings| |1. 两数之和|4|https://leetcode-cn.com/problems/two-sum| |704. 二分查找|4|https://leetcode-cn.com/problems/binary-search| |198. 打家劫舍|4|https://leetcode-cn.com/problems/house-robber| |165. 比较版本号|3|https://leetcode-cn.com/problems/compare-version-numbers| |215. 数组中的第K个最大元素|3|https://leetcode-cn.com/problems/kth-largest-element-in-an-array| |补充题22. IP地址与整数的转换|3|https://mp.weixin.qq.com/s/u-RahFTB3JIqND41HqtotQ| |384. 打乱数组|3|https://leetcode-cn.com/problems/shuffle-an-array| |22. 括号生成|3|https://leetcode-cn.com/problems/generate-parentheses| |70. 爬楼梯|2|https://leetcode-cn.com/problems/climbing-stairs| |121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock| |146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache| |206. 反转链表|2|https://leetcode-cn.com/problems/reverse-linked-list| |21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists| |8. 字符串转换整数 (atoi)|2|https://leetcode-cn.com/problems/string-to-integer-atoi| |543. 二叉树的直径|2|https://leetcode-cn.com/problems/diameter-of-binary-tree| |剑指 Offer 29. 顺时针打印矩阵|2|https://leetcode-cn.com/problems/shun-shi-zhen-da-yin-ju-zhen-lcof| |20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses| |88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array| |153. 寻找旋转排序数组中的最小值|2|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array| |25. K 个一组翻转链表|2|https://leetcode-cn.com/problems/reverse-nodes-in-k-group| |3. 无重复字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters| |287. 寻找重复数|1|https://leetcode-cn.com/problems/find-the-duplicate-number| |59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii| |191. 位1的个数|1|https://leetcode-cn.com/problems/number-of-1-bits| |160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists| |144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal| |补充题4. 手撕快速排序|1|https://leetcode-cn.com/problems/sort-an-array| |214. 最短回文串|1|https://leetcode-cn.com/problems/shortest-palindrome| |61. 旋转链表|1|https://leetcode-cn.com/problems/rotate-list| |179. 最大数|1|https://leetcode-cn.com/problems/largest-number| |112. 路径总和|1|https://leetcode-cn.com/problems/path-sum| |141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle| |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| |300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence| |349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays| |补充题21. 字符串相减|1|https://mp.weixin.qq.com/s/kCue4c0gnLSw0HosFl_t7w| |剑指 Offer 34. 二叉树中和为某一值的路径|1|https://leetcode-cn.com/problems/er-cha-shu-zhong-he-wei-mou-yi-zhi-de-lu-jing-lcof| |19. 删除链表的倒数第N个节点|1|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list| |2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers| |53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray| |189. 旋转数组|1|https://leetcode-cn.com/problems/rotate-array| |4. 寻找两个正序数组的中位数|1|https://leetcode-cn.com/problems/median-of-two-sorted-arrays| |257. 二叉树的所有路径|1|https://leetcode-cn.com/problems/binary-tree-paths| |670. 最大交换|1|https://leetcode-cn.com/problems/maximum-swap| |283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes| |148. 排序链表|1|https://leetcode-cn.com/problems/sort-list| |剑指 Offer 54. 二叉搜索树的第k大节点|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof| |110. 平衡二叉树|1|https://leetcode-cn.com/problems/balanced-binary-tree| |64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum| |122. 买卖股票的最佳时机 II|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii| |115. 不同的子序列|1|https://leetcode-cn.com/problems/distinct-subsequences| |106. 从中序与后序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal| |226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree| |100. 相同的树|1|https://leetcode-cn.com/problems/same-tree| |129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers| |459. 重复的子字符串|1|https://leetcode-cn.com/problems/repeated-substring-pattern| |78. 子集|1|https://leetcode-cn.com/problems/subsets| |46. 全排列|1|https://leetcode-cn.com/problems/permutations| |55. 跳跃游戏|1|https://leetcode-cn.com/problems/jump-game| |1013. 将数组分成和相等的三个部分|1|https://leetcode-cn.com/problems/partition-array-into-three-parts-with-equal-sum| |33. 搜索旋转排序数组|1|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|