9/6 TIL

데일리 루틴

57번 - 모의고사

https://school.programmers.co.kr/learn/courses/30/lessons/42840

프로그래머스

function solution(answers) {
    var answer = [];
    
    const no1 = [1,2,3,4,5];
    const no2 = [2,1,2,3,2,4,2,5];
    const no3 = [3,3,1,1,2,2,4,4,5,5];
    let grade1 = 0;
    let grade2 = 0;
    let grade3 = 0;
    
    for(let i=0; i<answers.length; i++){
        if(answers[i] === no1[i%no1.length])
            grade1++;
        if(answers[i] === no2[i%no2.length])
            grade2++;
        if(answers[i] === no3[i%no3.length])
            grade3++;
    }
    
    let maxGrade = Math.max(grade1, grade2, grade3);
    if(maxGrade === grade1)
        answer.push(1);
    if(maxGrade === grade2)
        answer.push(2);
    if(maxGrade === grade3)
        answer.push(3);
    
    return answer;
}