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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here(
  6. 	int T;
  7. 	cin>>T;
  8. 	for(int t=0;t<T;t++)
  9. 	{
  10. 		int n;
  11. 		cin>>n;
  12. 		int nn=4*n;;
  13. 		for(int i=0;i<n;i++)
  14. 		{
  15. 			if(i%2==0)
  16. 			{cout<<nn-2<<" ";nn=nn-2;}
  17. 			else
  18. 			{cout<<nn-4<<" ";nn=nn-4;}
  19. 		}
  20. 		cout<<endl;
  21. 	}
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 4940KB
comments (?)
stdin
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3
2
3
4
stdout
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6 2 
10 6 4 
14 10 8 4
https://ideone.com/yPH49Q
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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