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  1. import java.util.*;
  2.  
  3. class Main
  4. {
  5. 	  public static void main (String[] args)
  6. 	{
  7. 		Scanner s = new Scanner(System.in);
  8. 		double A = s.nextDouble();
  9. 		double B = s.nextDouble();
  10. 		double C = s.nextDouble();
  11. 		double X = Math.sqrt((B*B)-4*A*C);
  12. 		double R1 = (-B+X)/(2*A);
  13. 		double R2 = (-B-X)/(2*A);
  14.  
  15. 		if((R1!=Double.NaN)||(R1!=Double.NEGATIVE_INFINITY)){
  16.  
  17. 	    System.out.printf("R1 = "+"%.5f%n",R1);
  18. 	    }
  19. 		else{
  20. 		System.out.println("Impossivel calcular");	
  21. 		}
  22. 		System.out.println();
  23. 		if((R2!=Double.NaN)||(R2!=Double.NEGATIVE_INFINITY)){
  24. 		System.out.printf("R2 = "+"%.5f%n",R2);
  25. 		}
  26. 		else{
  27. 		System.out.println("Impossivel calcular");
  28. 		}
  29. 	}
  30. }
Success #stdin #stdout 0.07s 4386816KB
comments (?)
stdin 
0.0 20.0 5.0
stdout 
R1 = NaN

R2 = -Infinity
https://ideone.com/NXG2b2
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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