[백준] 좌표압축

https://www.acmicpc.net/problem/18870

 

fun main() = with(Scanner(System.`in`)) {
    val count = nextInt()
    val items = Array<Int>(count) { 0 }
    for (i in 0 until count) {
        items[i] = nextInt()
    }
    val results2 = items.copyOf()
    items.sort()
    val item: MutableMap<Int, Int> = mutableMapOf()
    for (i in 0 until count) {
        if(item[items[i]] == null){
            item[items[i]] = item.size
        }
    }
    println(results2.map { item[it] }.joinToString(" "))
}