func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long int k;     cin >> k;     string s =  codeforces ;     long long int a[10];     long long int cnt = 1;     for (int i = 0; i < 10; ++i) {       a[i] = 1;     }     int idx = 0;     while (cnt < k) {       a[idx]++;       cnt = 1;       for (int i = 0; i < 10; ++i) {         cnt *= a[i];       }       idx = (idx + 1) % 10;     }     for (int i = 0; i < 10; ++i) {       for (int j = 0; j < a[i]; ++j) {         cout << s[i];       }     }   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long int t = 1;     while (t--) {       solve();     }     return 0;   }   