permutations_main.kt

fun main(args: Array<String>) {
    val n = 100
    val sumNumbers = Ring(n).sum()
    println("In theory, the sum of numbers 0..${n - 1} is ${n * (n - 1) / 2}.")    
    println("Which is consistent with a practical result of $sumNumbers.\n")

    BinaryBits(5).asSequence().filter {it.sum() == 2}.take(5).forEach { println(it) }
    
    println("\npermutations of 3 elements:")
    for(configuration in Permutations(3)) {
        println(configuration)
    }
}