(Python, Java) 프로그래머스 - 내적

30 Dec 2021 in Algorithm on Programmers, Level1

[문제 링크]

Python 풀이

def solution(a, b):
    answer = 0
    for idx in range(len(a)):
        answer += a[idx] * b[idx]
    return answer

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;
    }
}