릿코드 506. Relative Ranks 코틀린

그냥 배열의 랭크매기고 1,2,3등 이름바꾸기
컬렉션 랭크매기는 라이브러리가 어디있었던거같은데 파이썬이었나


정답

class Solution {
    fun findRelativeRanks(score: IntArray): Array<String> {
        val scoreMap = hashMapOf<Int, Int>()
        for ((index,value) in score.withIndex()){
            scoreMap[value] = index
        }
        val sortIndexList = scoreMap.keys.sorted().reversed()
        val valueList = mutableListOf<Int>()
        for (i in sortIndexList){
            valueList.add(scoreMap.getValue(i))
        }
        val resArray= Array(score.size) { "" }
        for ((index,value) in valueList.withIndex()){
            if (index==0){
                resArray[value]="Gold Medal"
                continue
            }
            if (index==1) {
                resArray[value]="Silver Medal"
                continue
            }
            if (index==2) {
                resArray[value]="Bronze Medal"
                continue
            }
            resArray[value]=(index+1).toString()
        }

        return resArray
    }

}