Live Coding 2 (18/09/2019)

Soal No.1
import java.util.Scanner;
public class Solution {
    public static void main(String[] args)
    {
        Scanner input = new Scanner(System.in);
        long N;
        double x,y;
        N = input.nextLong();
        x = input.nextInt();
        y = input.nextInt();
        x=x-5;
        y=y+5;
        double hasil =(double)y*N/100.0f;
        System.out.printf("%.2f",hasil);
    }
}
Soal No.2
import java.lang.Math;
import java.util.Scanner;
public class Solution {
    public static void main(String[] args)
    {
            Scanner input = new Scanner(System.in);
            double x1,x2,y1,y2;
            x1 = input.nextLong();
            y1 = input.nextLong();
            x2 = input.nextLong();
            y2 = input.nextLong();
            double x11,x22,y11,y22;
            x11=x1*95f/100;
            x22=x2*95f/100;
            y11=y1*95f/100;
            y22=y2*95f/100;
            x1 = x2-x1;
            y1 = y2-y1;
            x11 = x22-x11;
            y11 = y22-y11;
            double jarak = 1f*(x1*x1)+(y1*y1);
            jarak = Math.sqrt(jarak);
            System.out.println(jarak);
            double jarak2 = 1f*(x11*x11)+(y11*y11);
            jarak2 = Math.sqrt(jarak2);
            System.out.println(jarak2);
            System.out.printf("%.2f",(jarak-jarak2));
    }
}