func_code_string: #include <bits/stdc++.h>   using namespace std;   int n;   int main() {     cin >> n;     int cnt = 0;     if (n >= 5) {       int x = n / 5;       cnt += x;       n -= x * 5;     }     if (n == 0)       cout << cnt;     else       cout << cnt + 1;     return 0;   }   