[Programmers] Lv1: 내적(70128)

문제

- 링크: https://school.programmers.co.kr/learn/courses/30/lessons/70128?language=java

 

풀이

class Solution {
    public int solution(int[] a, int[] b) {
        int answer = 0;
        for (int i = 0; i < a.length; ++i) {
            answer += a[i] * b[i];
        }
        return answer;
    }
}