题解 | #成绩排序#

import java.util.Scanner

fun main(args: Array<String>) {
   val read = Scanner(System.`in`)
    val n = read.nextLine().toInt()
    val low = read.nextLine().toInt() == 1
    val map = mutableMapOf<Int, String>()
    val array = Array(n) {
        Array(2) {
            0
        }
    }
    for (i in 0 until n) {
        val pair = read.nextLine()
        map[i] = pair
        array[i][0] = i
        array[i][1] = pair.split(' ')[1].toInt()
    }

    array.sortWith { o1, o2 ->
        if (low) o1[1] - o2[1] else o2[1] - o1[1]
     }

    array.forEach {
        println("${map[it[0]]}")
    }
}