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Mar 28th, 2020
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  1. #include<iostream>
  2. using namespace std;
  3. int main()
  4. {
  5. long long int n, i, j, arr, p[100005];
  6. cin >> n;
  7. for(i=0; i<n; i++)
  8. {
  9. cin >> arr;
  10.  
  11. for(j=1; j<arr; j++){
  12. if(arr%2!=0 && arr==j*j)
  13. {
  14. p[i]= 5;
  15. }
  16.  
  17. else if(arr==4)
  18. {
  19. p[i]=5;
  20. }
  21. }
  22.  
  23. }
  24. for(j=0; j<n; j++)
  25. {
  26. if(p[j]==5)
  27. {
  28. cout << "YES" << endl;
  29. }
  30. else
  31. {
  32. cout << "NO" << endl;
  33. }
  34. }
  35. return 0;
  36. }
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