Submission #7350430

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Source Code Expand

// luogu-judger-enable-o2
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
int n,m;
char a[1000][1000];
int dx[4]={0,0,1,-1};
int dy[4]={1,-1,0,0};
int dfs(int x,int y)
{
	if(x<0||x>=n||y<0||y>=m)
	return 0;
    if(a[x][y]=='#')
    return 0;
	if(a[x][y]=='g')
	{
		printf("Yes");
		exit(0);
	}
	a[x][y]='#';
    for(int i=0;i<4;i++)
    {
      dfs(x+dx[i],y+dy[i]);  	
	}
	
}
int main()
{
	scanf("%d%d",&n,&m);
	int i;
	int j;
	int b,c;
	for(i=0;i<n;i++)
	{
		scanf("%s",a[i]);
		for(j=0;j<m;j++)
		{
		  if(a[i][j]=='s')
		  {
		  	b=i;
		  	c=j;
		}	
		}
	}
	dfs(b,c);
	printf("No");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:31:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:37:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",a[i]);
                   ^

Judge Result