Submission #6899062

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
char ch;
int mp[501][501];
int n,m,step,x,y,ans;
int dx[5] = {0,1,-1,0,0};
int dy[5] = {0,0,0,1,-1};
int dfs(int x,int y,int step)
{
	if(mp[x][y] == 2)
	{
		//printf("Yes");
		return 1;
	}
	if(step > m + n)
	{
		//printf("No");
		return 0;
	}
	for(int i=1;i<=4;i++)
	{
		int nx = x + dx[i];
		int ny = y + dy[i];
		if(nx >= 1 && nx <=n && ny >= 1 && ny <= m && mp[nx][ny] != 0)
		dfs(nx,ny,step+1);
	}
}
int main()
{
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
	for(int j=1;j<=m;j++)
	{
		cin>>ch;
		if(ch == 's')
		x = i;
		y = j;
		if(ch == 'g')
		mp[i][j] == 2;
		if(ch == '.')
		mp[i][j] == 1;
		if(ch == '#')
		mp[i][j] == 0;
	}
	int gg = dfs(x,y,0);
	if(gg == 1)
	printf("Yes");
	else
	printf("No");
	//printf("%d",);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:32:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^

Judge Result