Tontti

input/code.cpp: In function 'int main()':
input/code.cpp:34:13: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout << x << "\n";
             ^

#include <iostream>
#include <math.h>

using namespace std;

#define ull unsigned long long

int main() {
    cin.sync_with_stdio(false);
    int i, j, n, m, k, l, x, s, sz, q, w;
    cin >> n >> m >> k;
    char input[n][m];
    l = n * m;
    int a[l];
    for (i = 0; i < n; i++)
        cin >> input[i];
    for (i = 0; i < n; i++)
        for (j = 0; j < m; j++) {
            a[(i*m)+j] = !(input[i][j]=='.');
        }
    sz = (int)ceil(sqrt((double)k));
    for (s = sz; s <= min(n,m); s++) {
        for (i = 0; i <= n - s; i++)
            for (j = 0; j <= m - s; j++) {
                int t = 0;
                for (q = 0; q < s; q++)
                    for (w = 0; w < s; w++) {
                        t += a[((i+q)*m)+j+w];
                        if (t > k) break;
                    }
                if (t == k) x++;
            }
    }
    cout << x << "\n";
    return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED