fork download
copy 
  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. 		double a, b, c, x1, x2, x3, x4, t1, t2, d, D; boolean log=false;
  11. 		a=in.nextDouble();
  12. 		b=in.nextDouble();
  13. 		c=in.nextDouble();
  14. 	    if (a==0) {
  15. 	    	if (b!=0) {
  16. 	    		if (c==0) {System.out.printf("X=0;");} 
  17. 	    		else {
  18. 	    			if (c/b<0){
  19. 		    			x1=Math.sqrt(-(c/b));
  20. 						x2=-Math.sqrt(-(c/b));
  21. 						System.out.printf("X1=%f; X2=%f; ",x1,x2);
  22. 	    			}
  23. 	    			else {System.out.printf("Нет решений");}
  24. 	    		}
  25. 	    	}
  26. 	    	else {
  27. 	    		if (c!=0) {System.out.printf("Нет решений");}
  28. 	    		else {System.out.printf("X любое");}
  29.  
  30. 	    	}
  31. 	    }
  32. 	    else{
  33. 	    	D = (b * b - 4 * a * c);
  34. 	    	if (D<0) {System.out.printf("Нет решений");}
  35. 	    	else {
  36. 			    d=Math.sqrt(D);
  37. 			    t1=( - b + d )/2.0 / a;
  38. 			    t2=( - b - d )/2.0 / a; 
  39. 			    if (t1>0){
  40. 				    x1=Math.sqrt(t1);
  41. 				    x2=-Math.sqrt(t1);
  42. 				    System.out.printf("X1=%f; X2=%f; ",x1,x2);
  43. 				    log = true;
  44. 			    }
  45. 			    if (t2>0){
  46. 				    x3=Math.sqrt(t2);
  47. 				    x4=-Math.sqrt(t2);
  48. 				    if (log == true){System.out.printf("X3=%f; X4=%f; ",x3,x4);}
  49. 				    if (log == false){System.out.printf("X1=%f; X2=%f; ",x3,x4);}
  50. 			    }
  51. 	    	}
  52. 	    }
  53. 	}
  54. }
Success #stdin #stdout 0.18s 321344KB
comments (?)
stdin
copy 
-5 22 -6
stdout
copy 
X1=0.540483; X2=-0.540483; X3=2.026790; X4=-2.026790;
https://ideone.com/fsmSvf
a*x^4 b*x^2 c=0
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!