#include<stdio.h> void dfs(int step,int x,int y); int d[4][2] = {{1,0},{-1,0},{0,1},{0,-1}}; int mg[9][9]={1,1,1,1,1,1,1,1,1, 1,0,0,1,0,0,1,0,1, 1,0,0,1,1,0,0,0,1, 1,0,1,0,1,1,0,1,1, 1,0,0,0,0,1,0,0,1, 1,1,0,1,0,1,0,0,1, 1,1,0,1,0,1,0,0,1, 1,1,0,1,0…