562 : 배열1 - 자가진단8

Java

import java.util.Scanner;
 
public class Main {
    static final int LIMIT = 10;
 
    public static void main (String[] arg) {
        Scanner sc = new Scanner(System.in);
        int[] num = new int[LIMIT];
        int sum = 0;
        double avg = 0;
 
        for (int i=0; i<LIMIT; i++)
            num[i] = sc.nextInt();
 
        for (int i=1; i<LIMIT; i+=2)
            sum += num[i];
        System.out.printf("sum : %d\n",sum);
 
        for (int i=0; i<LIMIT; i+=2)
            avg += num[i];
        avg /= 5;
        System.out.printf("avg : %.1f\n", avg);
    }
}