func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     unsigned long long t;     cin >> t;     for (int ti = (int)(0); ti < (int)(t); ti++) {       unsigned long long n;       cin >> n;       if (n % 2) {         unsigned long long tmp = (n + 1u) * n;         unsigned long long res;         if (tmp % (4u * n) == 0) {           res = n;         } else if (tmp % (4u * n) == 2u * n) {           res = n * 2u;         } else {           res = n * 4u;         }         cout << res + 1u << endl;       } else {         cout << n * 4u + 1 << endl;       }     }     return 0;   }   