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Saleh127

Untitled

Apr 14th, 2020
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. long long a,b,c,d=-100000000,e,f,i,j,k,l;
  6. cin>>b;
  7. while(b--)
  8. {
  9. cin>>a;
  10. c=sqrt(a);
  11. if(c*c!=a || a<0)
  12. {
  13. d=max(d,a);
  14. }
  15. }
  16. cout<<d<<endl;
  17. return 0;
  18. }
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