You are given a m x n 2D grid initialized with these three possible values. -1 - A wall or an obstacle. 0 - A gate. INF - Infinity means an empty room. We use the value 231 - 1 = 2147483647 to represent INF as you may assume that the distance to a ga
//POJ3083 //DFS求靠左墙(右墙)走的路径长+BFS求最短路 //Time:0Ms Memory:716K #include<iostream> #include<cstring> #include<cstdio> #include<queue> using namespace std; #define MAX 45 #define INRANGE(x,y) (x >= 0 && x < n && y
Write a Dockerfile In detail: FROM(指定基础image) 构建指令,必须指定且需要在Dockerfile其他指令的前面.后续的指令都依赖于该指令指定的image.FROM指令指定的基础image可以是官方远程仓库中的,也可以位于本地仓库. FROM FROM : MAINTAINER(用来指定镜像创建者信息)构建指令,用于将image的制作者相关的信息写入到image中.当我们对该image执行docker inspect命令时,输出中有相应的字段记录该信息.