func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     for (int i = n, p = 1; i - 1; i >>= 1, p <<= 1) {       for (int j = 0; j < (i + 1) / 2; j++) cout << p <<    ;       if (n % p) n -= p / 2;     }     cout << n;   }   