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 ", 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. ", i, years); } System.out.printf("END OF OUTPUT. "); } }