Submission #6618441

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Source Code Expand

#include <stdio.h>

bool dfs(int,int);

char s[550][550];
bool visited[550][550]={};
int h,w;

int main()
{
    scanf("%d%d",&h,&w);
    for(int i=0;i<h;i++)
    {
        scanf("%s",s[i]);
    }
    int i,j;
    for(i=0;i<h;i++)
    for(j=0;j<w;j++)
    if(s[i][j]=='s')
    printf("%s\n",dfs(i,j)?"Yes":"No");
}

bool dfs(int x,int y)
{
    visited[x][y]=true;
    int a[4]={1,-1,0,0};
    int b[4]={0,0,1,-1};
    for(int i=0;i<4;i++)
    {
        if(x+a[i]==-1||y+b[i]==-1||x+a[i]==h||y+b[i]==w)
        continue;
        if(s[x+a[i]][y+b[i]]=='g')
        return true;
        if(s[x+a[i]][y+b[i]]=='.'&&!visited[x+a[i]][y+b[i]])
        {
            if(dfs(x+a[i],y+b[i])) return true;
        }
    }
    return false;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&h,&w);
                        ^
./Main.cpp:14:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",s[i]);
                         ^

Judge Result