import kotlin.system.measureTimeMillis

fun main() {
    val time = measureTimeMillis {
        var n: Int = 0;
        val rangeY = 1.rangeTo(100000)
        for (y in rangeY) {
            val rangeX = 1.rangeTo(80)
            for (x in rangeX)
                print("${++n}\t")
            println()
        }
    }
    println("Eksekusi selesai dalam $time ms")
}