2016 Update

Task/Multifactorial/Kotlin/multifactorial.kotlin

@@ -0,0 +1,14 @@
+fun multifactorial(n: Long, d: Int) : Long {
+    val r = n % d
+    return (1..n).filter { it % d == r } .reduce { i, p -> i * p }
+}
+
+fun main(args: Array<String>) {
+    val m = 5
+    val r = 1..10L
+    for (d in 1..m) {
+        print("%${m}s:".format( "!".repeat(d)))
+        r.forEach { print(" " + multifactorial(it, d)) }
+        println()
+    }
+}