[Programmers] 기능개발

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

코딩테스트 연습 - 기능개발

import Foundation

func solution(_ progresses:[Int], _ speeds:[Int]) -> [Int] {
    
    // 작업 개수
    let workCnt = progresses.count
    let remainProgress = progresses.compactMap{ 100 - $0 }
    var workQ: [Int] = []
    var resultArr: [Int] = []

    for i in 0..<workCnt {
        if remainProgress[i]%speeds[i] != 0 {
            workQ.append(remainProgress[i]/speeds[i] + 1)
        } else {
            workQ.append(remainProgress[i]/speeds[i])
        }
    }
    
    print("workq : ", workQ)
    
    var workFirst = workQ.first ?? 0
    workQ.removeFirst()
    var cnt = 1
    
    while !workQ.isEmpty {
        let newWorkFirst = workQ.first ?? 0
        
        if workFirst < newWorkFirst {
            workFirst = newWorkFirst
            resultArr.append(cnt)
            cnt = 1
        } else {
            cnt += 1
        }
        workQ.removeFirst()
        
        if workQ.count == 0 {
            resultArr.append(cnt)
            break
        }
    }
    
    return resultArr
}