cg4jins

class Solution {
    fun solution(s: String): String {

        val chars = s.toCharArray()

        val result = chars.sortedWith(Comparator { o1, o2 -> o2 - o1 })

        return result.joinToString("")
    }
}

cg4jins

class Solution {

    fun solution(strings: Array<String>, n: Int): Array<String> {

        var i = strings.size - 1
        while (i > 0) {
            var j = 0
            while (j < i) {
                var temp: String
                if (strings[j][n] > strings[j + 1][n]) {

cg4jins

class Solution {

    var printOrders = arrayListOf<Int>()

    var waitings = arrayListOf<Pair<Int, Int>>()

    fun solution(priorities: IntArray, location: Int): Int {

        for ((i, v) in priorities.withIndex()) {
            waitings.add(Pair(i, v))

cg4jins

class Solution {

    fun solution(N: Int, number: Int): Int {

        val f = f(N, number)
        if (f > 8){
            return -1
        }

        return f

cg4jins

class Solution {
    fun solution(a: Int, b: Int): Long {
        var answer = 0L

        if (a == b){
            return a.toLong()
        }

        var min = Integer.min(a,b)
        var max = Integer.max(a,b)

cg4jins

class Solution {
    fun solution(arr: IntArray, divisor: Int): IntArray {
        var answer = arrayListOf<Int>()

        for (ar in arr){
            if (ar % divisor == 0){
                answer.add(ar)
            }
        }

cg4jins

class Solution {
    fun solution(record: Array<String>): Array<String> {
        var answer = mutableListOf<String>()

        var nickNameMap = mutableMapOf<String, String>()
        var history = mutableListOf<Pair<String, String>>()

        for (line in record) {

            val tokens = line.split(" ")

cg4jins

class Solution {
    fun solution(s: String): String {
        val length = s.length
        return if (length % 2 == 0){
            s.substring(length/2-1, length/2+1)
        }else{
            s.substring(length/2, length/2+1)
        }
    }
}

cg4jins

class Solution {
    fun solution(N: Int, stages: IntArray): IntArray {

        var stageCountMap = mutableMapOf<Int, Int>()

        var failRateMap = mutableMapOf<Int, Float>()

        var remained = stages.size

        for (stage in stages){

cg4jins

class Solution {
    fun solution(record: Array<String>): Array<String> {
        var answer = mutableListOf<String>()

        var nickNameMap = mutableMapOf<String, String>()
        var history = mutableListOf<Pair<String, String>>()

        for (line in record) {

            val tokens = line.split(" ")