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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. 		double a,b,c,d,D;
  10. 		double x1,x2,x3;
  11. 		Scanner in = new Scanner(System.in);
  12. 		while (in.hasNextDouble()){
  13.             		a = in.nextDouble();
  14. 			b = in.nextDouble();
  15.             		c = in.nextDouble();
  16.             		d = in.nextDouble();
  17.             		D=b*b-4*a*(c-d);
  18.             		if(D>0){
  19.             			x1=(-b-Math.sqrt(D))/(2*a);
  20.             			x2=(-b+Math.sqrt(D))/(2*a);
  21.             			System.out.println(x1+" "+x2+";");
  22.             		}
  23.             		else{
  24.             			if(D==0){
  25.             				x3=(-b)/(2*a);
  26.             				System.out.println(x3+";");
  27.             			}
  28.             			else System.out.println("нет корней;");
  29.             		}
  30.             	}
  31. 	}
  32. }
  33.  
Success #stdin #stdout 0.14s 31260KB
comments (?)
stdin
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1 1 -6 -2 1 -2 10 0
stdout
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-2.5615528128088303 1.5615528128088303;
нет корней;
https://ideone.com/kxxyr0
Решение квадратных уравнений
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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