Submission #7153410

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Source Code Expand

#include <cstdio>
#include <iostream>

using namespace std;
const int N=505;
const int dx[4]={0,1,0,-1};
const int dy[4]={1,0,-1,0};
int n,m,bx,by,sx,sy;
char map[N][N];
bool vis[N][N];

void dfs(int x,int y){
	if(x<1||x>n||y<1||y>m||map[x][y]=='#'||vis[x][y])
		return ;
	vis[x][y]=true;
	for(int i=0;i<4;i++)
		dfs(x+dx[i],y+dy[i]);
}

int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++){
			cin>>map[i][j];
			if(map[i][j]=='g') sx=i,sy=j;
			else if(map[i][j]=='s') bx=i,by=j;
		}
	dfs(bx,by);
	if(vis[sx][sy]) puts("Yes");
	else puts("No");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^

Judge Result