[Programmers] Lv1: 평균 구하기(12944)

문제

- 링크: https://school.programmers.co.kr/learn/courses/30/lessons/12944

풀이

Java

(solution 1)

ㅇ

---

JavaScript

(solution 1)

function solution(arr) {
    var answer = 0;
    let sumNumber = 0;
    for (let i = 0; i < arr.length; ++i) {
        sumNumber += arr[i];
    }
    answer = sumNumber / arr.length;
    return answer;
}