Create Staircase

Author: akshayavb99

Course 2 - Data Structures in JAVA/Recursion Assignment/Staircase

@@ -0,0 +1,23 @@
+/*
+A child is running up a staircase with N steps, and can hop either 1 step, 2 steps or 3 steps at a time. 
+Implement a method to count how many possible ways the child can run up to the stairs. You need to return number of possible ways W.
+
+Input format :
+Integer N
+
+Output Format :
+Integer W
+
+Constraints :
+1 <= N <= 30
+
+Sample Input 1 :
+4
+Sample Output 1 :
+7
+
+Sample Input 2 :
+5
+Sample Output 2 :
+13
+*/