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S4 - zad.2 (pocela...)

Apr 22nd, 2014
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  1. #include <iostream>
  2. #include <string>
  3. #include <cmath>
  4.  
  5. void Unos(double n)
  6. {
  7. for(;;)
  8. {
  9. std::cin>>n;
  10. if(std::cin) break;
  11. std::cout<<"Pogresan unos!\n";
  12. std::cin.clear();
  13. std::cin.ignore(1000, '\n');
  14. }
  15.  
  16. }
  17.  
  18. double Rjesenje(double &a, double &b, double &c)
  19. {
  20. return (-b+sqrt(4*a*c+b*b))/2;
  21. }
  22.  
  23. int main()
  24. {
  25. double a, b,c;
  26. std::cout<<"Unesite koeficijent a: ";
  27. if(Unos(a)==0)
  28. std::cout<<"Pogresan unos!"
  29.  
  30. }
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