a53

elempp

a53
May 1st, 2017
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  1. #include <fstream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. ifstream f("elempp.in");
  6. ofstream g("elempp.out");
  7.  
  8. int pp(int x)
  9. {
  10. int xx;
  11. xx=x;
  12. while(xx>=100)
  13. xx/=10;
  14. if((int)sqrt(xx)==sqrt(xx))
  15. return 1;
  16. return 0;
  17. }
  18.  
  19. int main()
  20. {
  21. int v[100],i,n;
  22. f>>n;
  23. for(i=1;i<=n;i++)
  24. {
  25. f>>v[i];
  26. if(pp(v[i])==1)
  27. g<<v[i]<<' ';
  28. }
  29. return 0;
  30. }
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