5분
package 백준.Platinum.P4.p11868_님게임2 fun main() { val N = readln().toInt() val result = readln().split(" ").map(String::toInt).reduce { acc, i -> acc xor i } println(if (result > 0) "koosaga" else "cubelover") }
https://github.com/TaeGN/Algorithm/blob/master/src/%EB%B0%B1%EC%A4%80/Platinum/P4/p11868_%EB%8B%98%EA%B2%8C%EC%9E%842/p11868_%EB%8B%98%EA%B2%8C%EC%9E%842.kt
https://www.acmicpc.net/problem/11694