Code Battle @ Code Mania101

main.kt

package com.judrummer.codebattle

import java.util.*

/**
 * Created by judrummer on 6/17/2017.
 */

fun main(arg: Array<String>) {
    Scanner(System.`in`).use { input ->
        val testcase = input.nextLine() //ignore
        val target = input.nextLine().split(" ")[1].toDouble()
        val size = input.nextLine().split(" ")[1].toInt()
        val items = mutableListOf<Long>()
        (1..size).forEach {
            items.add(input.nextLong())
        }
        var answer: Long = 0
        (0..(size - 1)).forEach { i ->
            (i..(size - 1)).forEach { j ->
                (j..(size - 1)).forEach { k ->
                    val ans: Long = items[i] * items[j] * items[k]
                    if ( (Math.abs(ans - target) < Math.abs(answer - target))
                        //forgot this case in battle T_T
                       || (Math.abs(ans - target) == Math.abs(answer - target) && ans < answer) ) {
                        answer = ans
                    }                         
                }
            }
        }
        println(answer)
    }
}