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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define dbg(x) cout << #x << " : " << x << endl
  5. #define rep(i, a, b) for (int i = (a); i <= (b); i++)
  6. #define inf 1000000000000000000
  7. priority_queue<ll, vector<ll>, greater<int>> qp;
  8. priority_queue<ll> qr;
  9. #define maxn 100005
  10. #define mod 1000000007
  11. // #define __builtin_popcount cnt_ones
  12. ll po(ll a, ll n)
  13. {
  14.     ll res = a, ans = 1;
  15.     while (n)
  16.     {
  17.         if (n % 2)
  18.             ans = ans * res;
  19.         res = res * res;
  20.         n /= 2;
  21.     }
  22.     return ans;
  23. }
  24. /**************TEMPLATES**********************/
  25.  
  26. int main()
  27. {
  28.  
  29.     ll tc;
  30.     cin >> tc;
  31.     while (tc--)
  32.     {
  33.         ll n;
  34.         cin >> n;
  35.         ll res = __builtin_popcount(n);
  36.         cout << po(2, res) << '\n';
  37.     }
  38.  
  39.     return 0;
  40. }
Success #stdin #stdout 0s 5636KB
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stdout 
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https://ideone.com/YlNs27
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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