Submission #7320962

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Source Code Expand

#include<cstdio>
char map[501][501];
bool c[501][501];
int n,m;
int x,y;
void dfs(int a,int b){
	if(a==x&&b==y) {
		printf("YES");
		return ;
	}
	else if(map[a+1][b]!='#'&&a!=n&&!c[a+1][b]) {
		c[a][b]=true;
		dfs(a+1,b);
		c[a-1][b]=false;
	}
	else if(map[a-1][b]!='#'&&a!=1&&!c[a-1][b]){
		c[a][b]=true;
		dfs(a-1,b);
		c[a+1][b]=false;
	}
	else if(map[a][b+1]!='#'&&b!=m&&!c[a][b+1]) {
		c[a][b]=true;
		dfs(a,b+1);
		c[a][b-1]=false;
	}
	else if(map[a][b-1]!='#'&&b!=1&&!c[a][b-1]) {
		c[a][b]=true;
		dfs(a,b-1);
		c[a][b+1]=false;
	}
	else printf("NO");
}
int main() {
	scanf("%d%d",&n,&m);
	int k,l;
	for(int i=1;i<=n;i++){
		char p;
		scanf("%c",&p);
		for(int j=1;j<=m;j++){
			scanf("%c",&map[i][j]);
			if(map[i][j]=='g'){
				x=i;y=j;
			}
			if(map[i][j]=='s') {
				k=i,l=j;
			}
		}
	}
	dfs(k,l);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:34:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:38:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%c",&p);
                 ^
./Main.cpp:40:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%c",&map[i][j]);
                          ^

Judge Result