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Mar 24th, 2019
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  1. #include <iostream>
  2. using namespace std;
  3. int main ()
  4. {
  5. int T;
  6. cin >> T;
  7. for (int i=1; i<=T; i++)
  8. {
  9. int n;
  10. long long chan=0;
  11. cin >> n;
  12. int A[n];
  13. for (int j=0; j<n; j++)
  14. {
  15. cin >> A[j];
  16. if (A[j]%2==0) chan++;
  17. }
  18. long long le=n-chan;
  19. long long X=le*(le-1)*(le-2)/6+le*chan*(chan-1)/2;
  20. long long Y=chan*le*(le-1)/2+chan*(chan-1)*(chan-2)/6;
  21. cout << X << " " << Y << endl;
  22. }
  23. }
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