[프로그래머스] 기능개발(42586)(Kotlin)

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

코딩테스트 연습 - 기능개발 | 프로그래머스

 

<첫번째>

import java.util.*

class Solution {
        fun solution(progresses: IntArray, speeds: IntArray): IntArray {
        
        val finalDays: LinkedList<Int> = LinkedList()

        for( i in progresses.indices) {
            if ( (100 - progresses[i])%speeds[i] == 0 )
                finalDays.add( (100 - progresses[i])/speeds[i] )
            else
                finalDays.add( (100 - progresses[i])/speeds[i] + 1)
        }

        val result: MutableList<Int> = mutableListOf()
        var first = finalDays.poll()
        var count = 1

        while (!finalDays.isEmpty()) {
            var second = finalDays.poll()

            if (first >= second) count ++
            else {
                result.add(count)
                count = 1
                first = second
            }

        }
        result.add(count)

        var answer = IntArray(result.size)
        for ( i in 0 until result.size ) {
            answer[i] = result[i]
//            println("answer[$i]: ${answer[i]}")
        }

        return answer
    }
}

 

<두번째> 2020/06/07

import java.util.*

fun solution(progresses: IntArray, speeds: IntArray): IntArray {

    val finalDays: LinkedList<Int> = LinkedList()
    val result = mutableListOf<Int>()

    progresses.forEachIndexed { index, value ->
        if ( (100 - value) % speeds[index] == 0 ) {
            finalDays.add( (100 - value) / speeds[index] )
        }
        else {
            finalDays.add( (100 - value) / speeds[index]  + 1)
        }
    }

    while (!finalDays.isEmpty()) {

        if (finalDays.size == 1) {
            result.add(1)
            break
        }

        var count: Int = 0

        val first = finalDays.peek()
        run {
            finalDays.forEach {
                if (it <= first)
                    count++
                else {
                    return@run
                }
            }
        }

        result.add(count)

        while (count-- > 0) {
            finalDays.poll()
        }

    }

    return result.toIntArray()
}