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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define endl "\n"
  4. #define int long long
  5. #define faster() ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
  6. #define mod 1000000007
  7. #define maxN 10005
  8. void solve(){
  9.     int x ; cin >> x ;
  10.     cout << __builtin_popcount(x);
  11. }
  12.  
  13. signed main(){
  14.     faster();
  15.     int test = 1 ;
  16.     // cin >> test;
  17.     while(test--){
  18.         solve();
  19.     }
  20. }
Success #stdin #stdout 0.01s 5280KB
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https://ideone.com/Ve5MTY
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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