[백준] 3009번 : 네 번째 점 - Kotlin(코틀린)

https://www.acmicpc.net/problem/3009

import java.util.*
import java.lang.String.format
fun main(args: Array<String>) {
    val s=Scanner(System.`in`)
    var x1=s.nextInt()
    var y1=s.nextInt()
    var x=0
    var y=0
    var cx=0
    var cy=0
    for(i in 0 until 2){
        var x2=s.nextInt()
        var y2=s.nextInt()
        if(x1==x2) cx++
        else x=x2
        if(y1==y2) cy++
        else y=y2
    }
    print(format("%d %d",if(cx==1) x else x1,if(cy==1) y else y1))
}