539 : 반복제어문1 - 자가진단4

Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = 0, sum = 0;
        int count = 0;
        double avg = 0;
 
        while (true){
            num = sc.nextInt();
            count++;
            sum += num;
 
            if (100 <= num)
                break;
        }
        avg = (double)sum/count;
 
        System.out.printf("%d\n", sum);
        System.out.printf("%.1f", avg);
    }
}