Re-orgainze files and folders in the repository (#172)

* Re-orgainze files and folders in the repository

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Recursive/EucledianGCD.js

@@ -0,0 +1,37 @@
+function euclideanGCDRecursive (first, second) {
+  /*
+    Calculates GCD of two numbers using Euclidean Recursive Algorithm
+    :param first: First number
+    :param second: Second number
+    :return: GCD of the numbers
+    */
+  if (second === 0) {
+    return first
+  } else {
+    return euclideanGCDRecursive(second, (first % second))
+  }
+}
+
+function euclideanGCDIterative (first, second) {
+  /*
+    Calculates GCD of two numbers using Euclidean Iterative Algorithm
+    :param first: First number
+    :param second: Second number
+    :return: GCD of the numbers
+    */
+  while (second !== 0) {
+    const temp = second
+    second = first % second
+    first = temp
+  }
+  return first
+}
+
+function main () {
+  const first = 20
+  const second = 30
+  console.log('Recursive GCD for %d and %d is %d', first, second, euclideanGCDRecursive(first, second))
+  console.log('Iterative GCD for %d and %d is %d', first, second, euclideanGCDIterative(first, second))
+}
+
+main()