func_code_string: #include <bits/stdc++.h>   using namespace std;   const int PI = 3.1415926535;   const int inf = 1000111222;   const int mod = 1000000007;   const int N = 100007;   int main() {     ios_base ::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int n;     cin >> n;     vector<int> ar(n);     for (int i = 0; i < n; i++) cin >> ar[i];     vector<int> entries;     int ans = 0;     for (int i = 30; i >= 0; i--) {       entries.clear();       for (int j = 0; j < n; j++) {         if ((1 << i) & ar[j]) {           entries.push_back(j);         }       }       if (entries.size() == 1) {         ans = entries[0];         break;       }     }     vector<int> order;     order.push_back(ans);     for (int i = 0; i < n; i++) {       if (i != ans) order.push_back(i);     }     for (int i = 0; i < n; i++) {       cout << ar[order[i]] <<    ;     }     cout <<   n ;     return 0;   }   