[프로그래머스 | Lv. 1 | JavaScript] 추억 점수

 

Link

코딩테스트 연습 - 추억 점수

 

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문제

풀이

(1)

function solution(name, yearning, photo) {
    let answer = [];
    
    for (let i = 0; i < photo.length; i++) {
        answer.push(0)
        for (let j = 0; j < name.length; j++) {
            if (photo[i].indexOf(name[j]) > -1) answer[i] += yearning[j];
        }
    }
    
    return answer;
}

(2)

function solution(name, yearning, photo) {
    return photo.map(group => 
        group.reduce((sum, person) => sum + (yearning[name.indexOf(person)] || 0), 0)
    );
}