In a N x N grid composed of 1 x 1 squares, each 1 x 1 square consists of a /, \, or blank space.  These characters divide the square into contiguous regions. (Note that backslash characters are escaped, so a \ is represented as "\\".) Return the…

原题链接在这里:https://leetcode.com/problems/regions-cut-by-slashes/ 题目: In a N x N grid composed of 1 x 1 squares, each 1 x 1 square consists of a /, \, or blank space.  These characters divide the square into contiguous regions. (Note that backslash chara…

题目如下: In a N x N grid composed of 1 x 1 squares, each 1 x 1 square consists of a /, \, or blank space.  These characters divide the square into contiguous regions. (Note that backslash characters are escaped, so a \ is represented as "\\".) Retu…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题思路 代码 日期 题目地址:https://leetcode.com/problems/regions-cut-by-slashes/description/ 题目描述 In a N x N grid composed of 1 x 1 squares, each 1 x 1 square consists of a /, \, or blank spac…

In a N x N grid composed of 1 x 1 squares, each 1 x 1 square consists of a /, \, or blank space.  These characters divide the square into contiguous regions. (Note that backslash characters are escaped, so a \ is represented as "\\".) Return the…

在由 1 x 1 方格组成的 N x N 网格 grid 中,每个 1 x 1 方块由 /.\ 或空格构成.这些字符会将方块划分为一些共边的区域. (请注意,反斜杠字符是转义的,因此 \ 用 "\\" 表示.). 返回区域的数目. 示例 1: 输入: [   " /",   "/ " ] 输出:2 解释:2x2 网格如下: 示例 2: 输入: [   " /",   " " ] 输出:1 解释:2x2 网格…

958. Check Completeness of a Binary Tree Given a binary tree, determine if it is a complete binary tree. Definition of a complete binary tree from Wikipedia:In a complete binary tree every level, except possibly the last, is completely filled, and al…

Contest 111 (题号941-944)(2019年1月19日,补充题解,主要是943题) 链接:https://leetcode.com/contest/weekly-contest-111 [941]Valid Mountain Array(第一题 3分)(google tag) 判断一个数组是不是 Mountain 数组. Mountain 数组的定义是 A.length >= 3There exists some i with 0 < i < A.length - 1 su…

请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift    说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序        号 题名Title 难度     Difficulty  两数之…

案例分析:拍拍贷是中国的一家在线借贷平台,网站撮合了一些有闲钱的人和一些急用钱的人.用户若有贷款需求,可在网站上选择借款金额. 本项目拟通过该数据集的探索,结合自己的理解进行分析,最终目的的是初步预测贷款的利率和哪些因素有关. 0.加载包 library(ggplot2) library(gridExtra) library(utf8) library(dplyr) library(tidyr) library(GGally) library(RColorBrewer) library(care…