Given an array, generate all the possible subarrays of the given array using recursion.
Input : [1, 2, 3] Output : , [1, 2], , [1, 2, 3], [2, 3],  Input : [1, 2] Output : , [1, 2], 
We have discussed iterative program to generate all subarrays. In this post, recursive is discussed.
Approach: We use two pointers start and end to maintain the starting and ending point of the array and follow the steps given below:
- Stop if we have reached the end of the array
- Increment the end index if start has become greater than end
- Print the subarray from index start to end and increment the starting index
Below is the implementation of the above approach.
 [1, 2]  [1, 2, 3] [2, 3] 
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