코딩테스트 연습 > 스택/큐 > 기능개발 - javascript 풀이

문제

https://school.programmers.co.kr/learn/courses/30/lessons/42586

프로그래머스

 

결과

 

 

나의 풀이

function solution(progresses, speeds) {
    var answer = [];
    
    let temp = {};
    let key = [];
    let standardDay = -1;
    
    for ( let i = 0; i < progresses.length; i++ ) {
        let pro = progresses[ i ];
        let speed = speeds[ i ];
        let needDay = calculate( pro, speed );
        
        if ( standardDay >= needDay ) {
            temp[ standardDay ] += 1;
        } else {
            standardDay = needDay;
            key.push( needDay );
            temp[ needDay ] = 1;
        }
    }
    
    key.forEach( k => answer.push( temp[k] ) );
    
    return answer;
}

function calculate( progress, speed ) {
    let remain = 100 - progress;
    return Math.ceil( remain / speed );
}