Submission #3721728

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Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <cstring>
#include <queue>
#include <functional>
#include <cmath>
#include <set>
#include <stack>
#include <map>
#include <string>
#include <cassert>
//#include<bits/stdc++.h>
#define mx 505
using namespace std;

int main(){
	int h, w, dx[4] = {1, 0, -1, 0}, dy[4] = {0, -1, 0, 1};
	char c[mx][mx];
	stack<pair<int, int> > st;
	scanf("%d%d", &h, &w);
	for(int i = 0; i < h; i++){
		scanf("%s", c[i]);
		for(int j = 0; j < w; j++){
			if(c[i][j] == 's'){
				c[i][j] = '#';
				st.push(make_pair(i,j));
			}
		}
	}
	while(!st.empty()){
		pair<int, int> p = st.top(); st.pop();
		for(int i = 0; i < 4; i++){
			int ny = p.first + dy[i], nx = p.second + dx[i];
			if(0 <= ny && ny < h && 0 <= nx && nx < w && c[ny][nx] != '#'){
				if(c[ny][nx] == 'g'){
					puts("Yes");
					return 0;
				}
				c[ny][nx] = '#';
				st.push(make_pair(ny, nx));
			}
		}
	}
	puts("No");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &h, &w);
                       ^
./Main.cpp:24:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", c[i]);
                    ^

Judge Result