437-路径总和 III(Path Sum III) 原文链接: https://leetcode-cn.com/problems/path-sum-iii 英文原文Given the root of a binary tree and an integer targetSum, retu 2021-12-03 二叉树树深度优先搜索 中等
438-找到字符串中所有字母异位词(Find All Anagrams in a String) 原文链接: https://leetcode-cn.com/problems/find-all-anagrams-in-a-string 英文原文Given two strings s and p, return an array of 2021-12-03 哈希表字符串滑动窗口 中等
440-字典序的第K小数字(K-th Smallest in Lexicographical Order) 原文链接: https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order 英文原文Given two integers n and k, return t 2021-12-03 字典树 困难
442-数组中重复的数据(Find All Duplicates in an Array) 原文链接: https://leetcode-cn.com/problems/find-all-duplicates-in-an-array 英文原文Given an integer array nums of length n whe 2021-12-03 哈希表数组 中等
443-压缩字符串(String Compression) 原文链接: https://leetcode-cn.com/problems/string-compression 英文原文Given an array of characters chars, compress it using th 2021-12-03 双指针字符串 中等
445-两数相加 II(Add Two Numbers II) 原文链接: https://leetcode-cn.com/problems/add-two-numbers-ii 英文原文You are given two non-empty linked lists representing tw 2021-12-03 数学栈链表 中等
446-等差数列划分 II - 子序列(Arithmetic Slices II - Subsequence) 原文链接: https://leetcode-cn.com/problems/arithmetic-slices-ii-subsequence 英文原文Given an integer array nums, return the nu 2021-12-03 动态规划数组 困难
447-回旋镖的数量(Number of Boomerangs) 原文链接: https://leetcode-cn.com/problems/number-of-boomerangs 英文原文You are given n points in the plane that are all disti 2021-12-03 哈希表数学数组 中等
448-找到所有数组中消失的数字(Find All Numbers Disappeared in an Array) 原文链接: https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array 英文原文Given an array nums of n integers 2021-12-03 哈希表数组 简单
449-序列化和反序列化二叉搜索树(Serialize and Deserialize BST) 原文链接: https://leetcode-cn.com/problems/serialize-and-deserialize-bst 英文原文Serialization is converting a data structure 2021-12-03 二叉搜索树二叉树字符串广度优先搜索树深度优先搜索设计 中等