Data commit

Task/Totient-function/Scala/totient-function-1.scala

@@ -0,0 +1,3 @@
+@tailrec
+def gcd(a: Int, b: Int): Int = if(b == 0) a else gcd(b, a%b)
+def totientLaz(num: Int): Int = LazyList.range(2, num).count(gcd(num, _) == 1) + 1

Task/Totient-function/Scala/totient-function-2.scala

@@ -0,0 +1,14 @@
+def totientPrd(num: Int): Int = {
+  @tailrec
+  def dTrec(f: Int, n: Int): Int = if(n%f == 0) dTrec(f, n/f) else n
+
+  @tailrec
+  def tTrec(ac: Int, i: Int, n: Int): Int = if(n != 1){
+    if(n%i == 0) tTrec(ac*(i - 1)/i, i + 1, dTrec(i, n))
+    else tTrec(ac, i + 1, n)
+  }else{
+    ac
+  }
+
+  tTrec(num, 2, num)
+}

Task/Totient-function/Scala/totient-function-3.scala

@@ -0,0 +1,3 @@
+@tailrec
+def scrub(f: Long, num: Long): Long = if(num%f == 0) scrub(f, num/f) else num
+def totientLazPrd(num: Long): Long = LazyList.iterate((num, 2: Long, num)){case (ac, i, n) => if(n%i == 0) (ac*(i - 1)/i, i + 1, scrub(i, n)) else (ac, i + 1, n)}.find(_._3 == 1).get._1