LeetCode 175. Combine Two Tables 题目 Table: Person +-------------+---------+ | Column Name | Type | +----------…
分类：LeetCode
从leetcode386理解字典树Tire
LeetCode386 – LexicogarphicalNumbers 记录详细的思考过程，从此题加深对相关数据结构的理解，记录总结自己的思维误区。 审题 Given an integer n, ret…
LeetCode算法题-Power of Four（Java实现-六种解法）
这是悦乐书的第205次更新，第216篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第72题（顺位题号是342）。给定一个整数（带符号的32位），写一个函数来检查它是否为4的幂。例如： 输入：…
Leetcode 329. Longest Increasing Path in a Matrix
Given an integer matrix, find the length of the longest increasing path. From each cell, you can either move t…
126. Word Ladder II(hard)
126. Word Ladder II 题目 Given two words (beginWord and endWord), and a dictionary's word list, find all shortes…
[LeetCode] Single Element in a Sorted Array 有序数组中的单独元素
Given a sorted array consisting of only integers where every element appears twice except for one eleme…
[LeetCode] My Calendar III 我的日历之三
Implement a MyCalendarThree class to store your events. A new event can always be a…
[LeetCode] Soup Servings 供应汤
There are two types of soup: type A and type B. Initially we have N ml of each type of soup. …
[Leetcode] Paint House 房子涂色
Paint House There are a row of n houses, each house can be painted with one of the three colors: red, blue or …
【Leetcode】18. 4Sum 给定数组中的4个元素之和等于给定值的所有组合
1. 题目 Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target?…
LeetCode算法题-Path Sum III（Java实现）
这是悦乐书的第227次更新 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第94题（顺位题号是437）。您将获得一个二叉树，其中每个节点都包含一个整数值。找到与给定值相加的路径数。路径不需要在根或叶…
[LeetCode By Go 72]70. Climbing Stairs
题目 You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 …
