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When should we use recursion over iterative method?

+2 votes
When should we use recursion over iterative method?
posted Oct 9, 2014 by anonymous

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1 Answer

+2 votes

Recursion is mainly used to save the lines of code (code re-usability).
For example, while writing a code for tree(data structures), it saves lump-some of lines of code.
It makes a code more modular & optimized.
Recursion should be used where memory (stack) is not a constraint because recursion gives a very hard time to our stack.

Though it is slower than loops, it has its own advantages too. Also debugging becomes difficult while using recursion.

Hope this helps!

answer Oct 9, 2014 by Ankush Surelia
Well explained, I was just thinking what could be the possible reason why someone should use recursion and in the impression that we should always use iterative if possible but I was wrong.
Thank you sir :-)
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