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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int mas[10000],bakhmet[10000],n,i,j;
  6. cin>>n;
  7. for (i=0;i<n;i++)
  8. cin>>mas[i];
  9. for(i=0;i<n;i=i+3)
  10. cout<<mas[i]<<" ";
  11.  
  12. }
Success #stdin #stdout 0s 5424KB
stdin
6
1 2 3 4 5 6
stdout
1 4