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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. public static void main (String[] args) throws java.lang.Exception
  8. {
  9. Scanner in= new Scanner(System.in);
  10.  
  11. double a=in.nextDouble();
  12. double b=in.nextDouble();
  13. double c=in.nextDouble();
  14. if (a==0)
  15. {
  16. System.out.println("Equation is not square");
  17. }
  18. else
  19. {
  20. double D=b*b-4*a*c;
  21. if(D<=0) System.out.println("Discriminant is not positive");
  22. else
  23. {
  24. double x1=(-b+Math.sqrt(D))/(2*a);
  25. double x2=(-b-Math.sqrt(D))/(2*a);
  26. System.out.println(x1);
  27. System.out.println(x2);
  28. double p1=a*x1*x1+b*x1+c;
  29. double p2=a*x2*x2+b*x2+c;
  30. System.out.println(p1);
  31. System.out.println(p2);
  32. }
  33.  
  34.  
  35. }
  36. }
  37. }
Success #stdin #stdout 0.15s 321344KB
stdin
1 2 3
stdout
Discriminant is not positive