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