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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,c=0;
  10. 			cin >> n;
  11. 			for(int i=1;i<=n;i++)
  12. 			{
  13. 				int a;
  14. 				cin >> a;
  15. 				if((a+i)%2==0)
  16. 				{
  17. 					c++;
  18. 				}
  19. 			}
  20. 			if(c==n)
  21. 			{
  22. 				cout << "YES" << endl;
  23. 			}
  24. 			else
  25. 			{
  26. 				cout << "NO" << endl;
  27. 			}
  28. 		}
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
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2
4
1 2 3 4
3
1 1 1
stdout
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YES
NO
https://ideone.com/BypnJo
language:
C++ (gcc 8.3)
created:
20 hours ago
visibility:
public

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