Submission #1131500

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Source Code Expand

#include <cstdio>
#include <algorithm>

using namespace std;

char s[500][500];

int main() {
    int n, ans = 1e9, c = 0, i, j, k;
    
    scanf("%d", &n);
    
    for (i = 0; i < n; i++) scanf("%s", s[i]);
    
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            if (s[i][j] == '#') break;
        }
        
        if (j < n) break;
    }
    
    if (i == n) {
        puts("-1");
        
        return 0;
    }
    
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            if (s[j][i] == '.') break;
        }
        
        if (j == n) c++;
    }
    
    for (i = 0; i < n; i++) {
        int p = 0;
        
        for (j = 0; j < n; j++) {
            if (s[i][j] == '.') p++;
        }
        
        for (j = 0; j < n; j++) {
            if (s[j][i] == '#') break;
        }
        
        if (j < n) {
            ans = min(ans, p + n - c);
        } else {
            ans = min(ans, p + n - c + 1);
        }
    }
    
    printf("%d\n", ans);
    
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:13:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < n; i++) scanf("%s", s[i]);
                                              ^

Judge Result