Submission #1386601

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Source Code Expand

#include<bits//stdc++.h>
using namespace std;
#define int long long
char a[500][500];
string s;
int n,b[500],c[500],ans=1145141919810,sum;
signed main(){
	cin>>n;
	bool l=false;
	for(int i=0;i<n;i++){
		cin>>s;
		for(int j=0;j<n;j++){
			a[i][j]=s[j];
			if(s[j]=='#'){
				b[i]++;
				c[j]++;
				l=1;
			}
		}
	}
	if(!l){
		cout<<-1<<endl;
		return 0;
	}
	for(int i=0;i<n;i++){
		if(c[i]==n) sum++;
	}
	for(int i=0;i<n;i++){
		if(b[i]==n){
			ans=min(ans,n-sum);
		}
		else if(c[i]==0){
			ans=min(ans,n-b[i]+n-sum+1);
		}
		else{
			ans=min(ans,n-b[i]+n-sum);
		}
	}
	cout<<ans<<endl;
}

Submission Info

Judge Result