Java_Лекция 2 / mas

import java.io.*;
import java.util.*;
import java.math.*;
class mas
{
public static void main(String args[]) throws java.io.IOException
{
int[] A = new int[3];
double x1,x2;
System.out.println("Enter " + A.length + " numbers: a,b,c");
int i;
for (i = 0; i < A.length; i++)
{
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String input = in.readLine();
StringTokenizer idata = new StringTokenizer(input);
A[i] = Integer.parseInt(idata.nextToken());
System.out.println("Enter " + A.length + " numbers: a,b,c"+A[i]);
}

int j, a=A[0], b=A[1], c=A[2];
if((b*b -4*a*c)>=0)
{
double d=Math.sqrt( b*b -4*a*c);
if(d>0)
{

x1 = (-b + d)/(2*a);

x2 = (-b - d)/(2*a);
System.out.println("solution ");
System.out.print( x1);
System.out.print(x2);
}
if(d==0)
{
x1=x2=-b/(2*a);
System.out.println("solution ");
System.out.print( x1);
System.out.print(x2);
}
}

else
System.out.println("No real solution");





}
}