bac 2009 var 15 sub 3 ex 3

#include <iostream>

using namespace std;

int cinci(int v[21], int n) {
    int c = 0;
    for (int i = 1; i <= n; i++)
        while (v[i] != 0) {
            if (v[i] % 10 == 5)
                c++;
            v[i] /= 10;
        }
    return c;
}

int main() {
    int n, v[21];
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> v[i];
    cout << cinci(v, n);
    cout << endl;
    system("pause");
}