319-灯泡开关(Bulb Switcher) 原文链接: https://leetcode-cn.com/problems/bulb-switcher 英文原文There are n bulbs that are initially off. You first turn on a 2021-12-03 数学脑筋急转弯 中等
321-拼接最大数(Create Maximum Number) 原文链接: https://leetcode-cn.com/problems/create-maximum-number 英文原文You are given two integer arrays nums1 and nums2 of l 2021-12-03 单调栈栈贪心 困难
322-零钱兑换(Coin Change) 原文链接: https://leetcode-cn.com/problems/coin-change 英文原文You are given an integer array coins representing coins of diff 2021-12-03 动态规划广度优先搜索数组 中等
326-3的幂(Power of Three) 原文链接: https://leetcode-cn.com/problems/power-of-three 英文原文Given an integer n, return true if it is a power of three. O 2021-12-03 数学递归 简单
327-区间和的个数(Count of Range Sum) 原文链接: https://leetcode-cn.com/problems/count-of-range-sum 英文原文Given an integer array nums and two integers lower and u 2021-12-03 二分查找分治归并排序数组有序集合树状数组线段树 困难
328-奇偶链表(Odd Even Linked List) 原文链接: https://leetcode-cn.com/problems/odd-even-linked-list 英文原文Given the head of a singly linked list, group all the 2021-12-03 链表 中等
329-矩阵中的最长递增路径(Longest Increasing Path in a Matrix) 原文链接: https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix 英文原文Given an m x n integers matrix, return 2021-12-03 动态规划图广度优先搜索拓扑排序深度优先搜索记忆化搜索 困难
330-按要求补齐数组(Patching Array) 原文链接: https://leetcode-cn.com/problems/patching-array 英文原文Given a sorted integer array nums and an integer n, add/patc 2021-12-03 数组贪心 困难
331-验证二叉树的前序序列化(Verify Preorder Serialization of a Binary Tree) 原文链接: https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree 英文原文One way to serialize a binar 2021-12-03 二叉树字符串栈树 中等
332-重新安排行程(Reconstruct Itinerary) 原文链接: https://leetcode-cn.com/problems/reconstruct-itinerary 英文原文You are given a list of airline tickets where tickets 2021-12-03 图欧拉回路深度优先搜索 困难