[Icpc] zoj 1048 / 1049 I Think I Need a Houseboat （v w）

import java.util.Scanner;

public class P1048 {
    static double sum = 0;
    static double num;
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        for (int i = 0; i < 12; i++) {
            num = in.nextDouble();
            sum += num;
        }
        System.out.printf("$%.2f\n", sum / 12);
    }

}

import java.util.Scanner;

public class P1049 {
    static final double  PI = 3.1415926;
    static int years;
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int T = in.nextInt();
        for (int i = 1; i <= T; i++) {
            double x = in.nextDouble();
            double y = in.nextDouble();
            years = (int)Math.ceil((x*x + y*y) * PI / 2.0 / 50);
            System.out.printf("Property %d: This property will begin eroding in year %d.\n", i, years);
        }
        System.out.printf("END OF OUTPUT.\n");

    }

}