代码为王

马的遍历 https://www.luogu.com.cn/problem/P1443 ```python n,m,x,y=map(int,input().split()) dx=[-1,1,2,2,1,-1,-2,-2] dy=[2,2,1,-1,-2,-2,-1,1] from collections import deque res=[[-1]*m for _ in range(n)] res[x-1][y-1]=0 qu=deque([(x-1,y-1)]) while len(qu)>0:

一、安装系统 下载完毕后安装