fun main(args: Array<String>) {
    pascalTriangle(5)
}

fun pascalTriangle(rows: Int) {
    var list = mutableListOf(1, 1)

    for(k in 1..rows - 1) {
        if(k == 1) {
            println(1)
            if (rows == 1) {
                return
            }
        }
        var tempList = list.toMutableList()
        println(list.joinToString("."))
        tempList.add(0)
        list.add(0, 0)
        var result = list.zip(tempList) {a, b -> a + b}
        list = result.toMutableList()
    }
}