Submission #5240714

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Source Code Expand

#include <stdio.h>
int h,w,res=0;
int si,sj,gi,gj;
char s[500][500];
int v[500][500];

void dfs(int x,int y){
    if(x==gi&&y==gj){
        res=1;
        return;
    }
    if(x<0||x>=w||y<0||y>=h||s[x][y]=='#')return;
    if(v[x][y])return;

    v[x][y]=1;

    dfs(x+1,y);
    dfs(x-1,y);
    dfs(x,y+1);
    dfs(x,y-1);
    return;
}
int main(void){
    scanf("%d %d",&h,&w);

    for(int i=0;i<h;i++)scanf("%s",s[i]);
    
    for(int i=0;i<h;i++){
        for(int j=0;j<w;j++){
            if(s[i][j]=='s'){
                si=i;
                sj=j;
            }
            if(s[i][j]=='g'){
                gi=i;
                gj=j;
            }
        }
    }
    dfs(si,sj);
    if(res)puts("Yes");
    else puts("No");
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:24:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&h,&w);
     ^
./Main.c:26:25: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     for(int i=0;i<h;i++)scanf("%s",s[i]);
                         ^

Judge Result