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This solution works for a sorted array with positive numbers and positive target sum
1. For each number, either include that number or exclude it.
2. If you include the number, recursively call the function for the remaining array, target sum being original_target_sum - current_number
3. If you exclude the number, recursively call the function for the remaining array, target sum being original_target_sum
4. If at any point the target_sum is the same as the current number, that means the sum for that branch of the recusrive tree is equal to the target sum. Print the numbers in that branch.
5. If the target_sum is less than the current number, then there is no point in going forward with that branch, as the sum will always be greater than the target sum.
6. Return if current is equal to length, meaning we've reached the end of the target array.
- soumyashukla22 October 04, 2017