func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n;     cin >> n;     long long prod = 1;     int arr[10];     for (int i = 0; i < 10; i++) arr[i] = 1;     int p = 0;     while (prod < n) {       p %= 10;       prod /= arr[p];       ++arr[p];       prod *= arr[p];       p++;     }     string s =  codeforces ;     for (int i = 0; i < 10; i++) {       for (int j = 0; j < arr[i]; j++) cout << s[i];     }     return 0;   }   