Restructuring

solutions/ProjectEuler/015/solve.rb

@@ -0,0 +1,11 @@
+GRID_SIZE = 20
+
+def factorial(num) 
+	if(num == 0) 
+		return 1
+	else 
+		return num * factorial(num - 1)
+	end
+end
+
+puts factorial(2 * GRID_SIZE) / factorial(GRID_SIZE) ** 2