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  1. #include <iostream>
  2. #include <stdio.h>
  3. #include <algorithm>
  4. using namespace std;
  5. int main()
  6. {
  7. 	int t;
  8. 	cin>>t;
  9. 	for(int t1=0;t1<t;t1++)
  10. 	{
  11. 	    int n,k;
  12. 		cin>>n>>k;
  13. 		if(n==1 && k==1)
  14. 		cout<<1<<endl;
  15. 		if(k>=(n/2)+1)
  16. 		cout<<-1<<endl;
  17. 		else
  18. 		{
  19. 			int i=2,count=0;
  20. 			while(count<k)
  21. 			{
  22. 				cout<<i<<" ";
  23. 				i+=2;
  24. 				count++;
  25. 			}
  26. 			cout<<endl;
  27. 		}
  28.  
  29. 	}
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 2732KB
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https://ideone.com/TtJOB5
language:
C++ 4.3.2 (gcc-4.3.2)
created:
11 years ago
visibility:
secret

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