Submission #6594401

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<string>
#include<cstdlib>
#include<algorithm>
#include<climits>
#define file(x,y) freopen(x,"r",stdin);freopen(y,"w",stdout);
using namespace std;
const int dx[]={0,-1,0,1,0};
const int dy[]={0,0,1,0,-1};
int n,t,s,l,r,mid,MAX,k,m,x,y,zx,zy,bo;
string st;
char ch;
int c[4000010][5],b[2005][2005];
void bfs()
{
    int h,t,cx,cy;
    h=0;t=1;b[x][y]=1;
    c[1][1]=x;
    c[1][2]=y;
    while(h<t)
    {
        h++;
        for(int i=1;i<=4;i++)
        {
            cx=c[h][1]+dx[i];
            cy=c[h][2]+dy[i];
            if(cx<1||cy<1||cx>n||cy>m||b[cx][cy])continue;
            t++;
            c[t][1]=cx;
            c[t][2]=cy;
            b[cx][cy]=1;
            if(cx==zx&&cy==zy){bo=1;return ;}
        }
    }
}
int main()
{
    scanf("%d%d",&n,&m);
    getline(cin,st);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            cin>>ch;
            if(ch=='#')b[i][j]=1;
            if(ch=='g'){zx=i;zy=j;}
            if(ch=='s'){x=i;y=j;}
        }
        getline(cin,st);
    }
    bfs();
    if(bo)cout<<"Yes";
      else cout<<"No";
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:41:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^

Judge Result