Submission #1132011

---

Source Code Expand

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>

int N;
char ch[512][512];
bool hb = false, hw = false;
int cr[512];
int cc[513];

int main() {
    scanf("%d\n", &N);
    for (int i = 0; i < N; ++i)
        scanf("%s\n", ch[i]);
    for (int i = 0; i < N; ++i)
        for (int j = 0; j < N; ++j) {
            if (ch[i][j] == '.')
                hw = true;
            else {
                hb = true;
                cr[i] ++;
                cc[j] ++;
            }
        }
    if (!hb) {
        printf("-1\n");
        return 0;
    }
    if (!hw) {
        printf("0\n");
        return 0;
    }
    int count = 0;
    for (int i = 0; i < N; ++i) {
        if (cc[i] == N)
            count ++;
    }
    int mx = 0;
    for (int i = 0; i < N; ++i)
        if (cc[i] > 0) {
            if (cr[i] > mx)
                mx = cr[i];
        } else {
            if (cr[i] - 1 > mx)
                mx = cr[i] - 1;
        }
    printf("%d\n", N - mx + N - count);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d\n", &N);
                      ^
./Main.cpp:15:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s\n", ch[i]);
                             ^

Judge Result