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Algorithm goes as follows-
start from the beginning of the array and keep on pushing element's index to another array(taken array) and subtract target with the array element keeping account of count of elements of `taken` array.
Do this recursively for each element. At the time when you identify that target is 0, print all the elements in `taken` array.
Just skip incase target becomes -ve.
Below is the successful running code.
Happy coding!!
- sameer July 11, 2013