func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     long n;     cin >> n;     int s = 0, a;     a = n / 100;     n = n % 100;     s += a;     if (n != 0) {       a = n / 20;       n %= 20;       s += a;       if (n != 0) {         a = n / 10;         n %= 10;         s += a;         if (n != 0) {           a = n / 5;           n %= 5;           s += a;           if (n != 0) s += n;         }       }     }     cout << s;   }   