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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. typedef long long ll;
  5.  
  6. int32_t main() {
  7.     ios::sync_with_stdio(false);
  8.     cin.tie(nullptr);
  9.  
  10.     int x;
  11.     cin >> x;
  12.  
  13.     int rs = 0;
  14.     while(x) {
  15.         if((x&1) != 0) rs++;
  16.         x/=2;
  17.     }
  18.  
  19.     cout << rs << endl;
  20.  
  21.     return 0;
  22. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/FcOIlp
language:
C++14 (gcc 8.3)
created:
4 hours ago
visibility:
public

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