Submission #1132401

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f(i, x, n) for(int i = x; i < (int)(n); ++i)

char s[500][501];
int n, g = 0;

void bad(){
	f(i, 0, n)f(j, 0, n)if (s[i][j] == '#')return;
	printf("-1\n");
	exit(0);
}

int main(){
	scanf("%d", &n);
	f(i, 0, n)scanf("%s", s[i]);
	bad();
	f(j, 0, n){
		bool ok = true;
		f(i, 0, n)if (s[i][j] == '.') { ok = false; break; }
		if (ok)++g;
	}
	int an = 1e9;
	f(i, 0, n){
		int r = 0;
		bool ok = false;
		f(j, 0, n)if (s[j][i] == '#') { ok = true; break; }
		if (!ok)++r;
		f(j, 0, n)if (s[i][j] == '.')++r;
		r += n - g;
		an = min(an, r);
	}
	printf("%d\n", an);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:17:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  f(i, 0, n)scanf("%s", s[i]);
                             ^

Judge Result