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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	cin >> t;
  7. 	while(t--)
  8. 	{
  9. 		int n,r=0;
  10. 		cin >> n;
  11. 		for(int i=0;i<n;i++)
  12. 		{
  13. 			if(i%2==0)
  14. 			{
  15. 				cout << "-1" <<" ";
  16. 			}
  17. 			else
  18. 			{
  19. 				cout << n << " ";
  20. 			}
  21. 		}
  22. 		cout << endl;
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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2
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stdout
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-1 2 
-1 3 -1
https://ideone.com/F2XC8h
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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