exercism 56

Author: kumar91gopi

README.md

@@ -273,6 +273,7 @@ solution of many challenges of [Leetcode](https://leetcode.com/), [Exercism](htt
 53. [ETL](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/etl.rb)
 54. [Nucleotide Count](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/nucleotide_count.rb)
 55. [Pythogorean Triplet](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/pythogorean_triplet.rb)
+56. [Collatz Conjecture](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/collatz_conjecture.rb)
 
 <a name="leetcode"/>
 

exercism/collatz_conjecture.rb

@@ -0,0 +1,14 @@
+#Problemm: https://exercism.org/tracks/ruby/exercises/collatz-conjecture
+
+#Solution
+class CollatzConjecture
+    def self.steps(num)
+      raise ArgumentError if num<=0
+      step_count = 0
+      until num==1
+        num = num%2==0 ? num/2 : (3*num+1)
+        step_count+=1
+      end
+      step_count
+    end
+end