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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;
  6.     cin>>n;
  7.     int *a=new int[n];
  8.     for(int i=0;i<n;i++){
  9.         cin>>a[i];
  10.     }
  11.     int cnt[64]={0};
  12.  
  13.     for(int j=0;j<n;j++){
  14.         int i=0;
  15.         int no=a[j];
  16.         while(no>0){
  17.             cnt[i]+=(no&1);
  18.             no=no>>1;
  19.             i++;
  20.         }
  21.     }
  22.  
  23.     for(int i=0;i<=n;i++){
  24.         cnt[i]%=3;
  25.     }
  26.    int ans=0;
  27.    int p=1;
  28.     for(int i=0;i<n;i++){
  29.         ans=cnt[i]*p+ans;
  30.         p=p*2;
  31.     }
  32.     cout<<ans;
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 4396KB
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https://ideone.com/ESha66
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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