Submission #4468708

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Source Code Expand

#include<stdio.h>
#include<stdlib.h>

int dx[]={1,0,-1,0};
int dy[]={0,1,0,-1};
int N,M,visit[600][600],n=-1,m=-1;
char size[600][600],re=0;

void dfs(int x,int y){
	int i;
	if(x==n&&y==m){
		re=1;
		return ;
	}
	visit[x][y]=1;
	for(i=0;i<4;i++){
		int x1=x+dx[i];
		int y1=y+dy[i];
		if(x1>=0&&x1<N&&y1>=0&&y1<M&&size[x1][y1]!='#'&&visit[x1][y1]==0)
			dfs(x1,y1);
	}
}

int main()
{
	int i,j,a=-1,b=-1;
	scanf("%d %d",&N,&M);
	for(i=0;i<N;i++)
		scanf("%s",size[i]);
	for(i=0;i<N;i++)
		for(j=0;j<M;j++){
			if(size[i][j]=='s'||size[i][j]=='S'){a=i;b=j;}
			if(size[i][j]=='g'||size[i][j]=='G'){n=i;m=j;}
		}
	dfs(a,b);
	if(re==1) printf("Yes");
	else printf("No");
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:27:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&N,&M);
  ^
./Main.c:29:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",size[i]);
   ^

Judge Result