프로그래머스 - LV1. 모의고사

문제

https://programmers.co.kr/learn/courses/30/lessons/42840?language=javascript 

코딩테스트 연습 - 모의고사

 

코드

function solution(answers) {
    var answer = [];
    let scores = [0, 0, 0]
    let pattern_1 = [1,2,3,4,5,1,2,3,4,5]
    let pattern_2 = [2,1,2,3,2,4,2,5]
    let pattern_3 = [3,3,1,1,2,2,4,4,5,5]
    
    for (let i=0; i<answers.length; i++) {
        if (answers[i] == pattern_1[i%pattern_1.length]) {
            scores[0] += 1
        }
        if (answers[i] == pattern_2[i%pattern_2.length]) {
            scores[1] += 1
        }
        if (answers[i] == pattern_3[i%pattern_3.length]) {
            scores[2] += 1
        }
    }
    
    let max = Math.max(...scores);
    for (let i=0; i<scores.length; i++) {
        if (scores[i] == max) {
            answer.push(i+1)
        }
    }
    
    return answer;
}