原题目地址:https://www.luogu.org/problem/show?pid=1443 题目描述有一个n*m的棋盘(1#include<bits/stdc++.h> using namespace std; int n,m,sx,sy,cx[8]={1,1,2,2,-1,-1,-2,-2},cy[8]={2,-2,1,-1,2,-2,1,-1},s,a[401][401],l,r,b[