View Code of Problem 24

import java.util.Scanner;
 
public class Main
{
  public static void main(String[] args)
  {
    Scanner scan=new Scanner(System.in);
    while(scan.hasNext())
    {
    
    int a=scan.nextInt();
    int b=scan.nextInt();
    int c=scan.nextInt();
    double p=(a+b+c)/2.0;
    double area=Math.sqrt(p*(p-a)*(p-b)*(p-c));
    System.out.println(String.format("%.2f",area));
  }
  }
}