Question 463. Island Perimeter Solution 题目大意:给出一个二维数组1表示陆地0表示海,求陆地的周长 思路: 重新构造一张地图grid2即一个二维数组,比原数组大一圈,即长宽都大2 一个点在原地图坐标是(i,j),那么在重新构造的坐标就是(i+1,j+1) 遍历原地图,如果一是陆地,就遍历这个点的周围是否是海,如果是海线周长就加1 Java实现: public int islandPerimeter(int[][] grid) { int total = 0…

You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one isla…

You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one isla…

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 解题方法 减去相交部分 参考资料 日期 题目地址:https://leetcode.com/problems/island-perimeter/description/ 题目描述 You are given a map in form of a two-dimensional integer grid where 1 represents land and 0…

You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one isla…

题目要求 You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one…

题目: You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one…

You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one isla…

原题 原题链接 You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly…

题目: You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/vertically (not diagonally). The grid is completely surrounded by water, and there is exactly one…