Submission #3527701

---

Source Code Expand

#include<iostream>
#include<cstdio>

using namespace std;

bool t=false,vis[505][505]={};
int n,m,x,y,dir[4][2]={{1,0},{-1,0},{0,1},{0,-1}};
char map[505][505]={};

void dfs(int a,int b){
	vis[a][b]=true;
	if(map[a][b]=='g')t=true;
	else for(int i=0;i<4;i++){
		if(a+dir[i][0]<0||a+dir[i][0]>=n)continue;
		else if(b+dir[i][1]<0||b+dir[i][1]>=m)continue;
		else if(map[a+dir[i][0]][b+dir[i][1]]=='#')continue;
		if(!vis[a+dir[i][0]][b+dir[i][1]])dfs(a+dir[i][0],b+dir[i][1]);
		if(t)return;
	}
}

int main()
{
	int a,b;
	scanf("%d%d",&n,&m);
	for(int i=0;i<n;i++)
		for(int j=0;j<m;j++){
			while(map[i][j]!='g'&&map[i][j]!='s'&&
				  map[i][j]!='#'&&map[i][j]!='.')scanf("%c",&map[i][j]);
			if(map[i][j]=='s')a=i,b=j;
		}
	dfs(a,b);
	if(t)printf("Yes");
	else printf("No");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:25:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:29:60: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
       map[i][j]!='#'&&map[i][j]!='.')scanf("%c",&map[i][j]);
                                                            ^

Judge Result