func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     int arr[30] = {}, n, i = 0;     cin >> n;     while (n > 0) arr[i] = n % 2, n /= 2, i++;     for (i = 29; i >= 0; i--)       if (arr[i]) cout << i + 1 <<    ;     cout <<   n ;     return 0;   }   