Submission #4047817

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
	int h,w;cin>>h>>w;
  	vector<vector<char>> s(h+2,vector<char>(w+2,'.'));
  	for(int i=1;i<h+1;i++){
    	for(int j=1;j<w+1;j++){
        	cin>>s[i][j];
        }
    }
  	for(int i=1;i<h+1;i++){
    	for(int j=1;j<w+1;j++){
        	if(s[i][j]=='#'){
              if(s[i-1][j]!='#' && s[i][j-1]!='#' && s[i+1][j]!='#' && s[i][j+1]!='#'){
              	cout<<"No"<<endl;
                return 0;
              }
        	}
    	}
    }
  	  cout<<"Yes"<<endl;
}

Submission Info

Judge Result