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Recursion

can any one explain what is the difference between recursion & loop?

10/13/2016 4:38:17 PM

Nishant Kumar

2 Answers

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The loop is repeated a fixed number of times until a condition is met. Recursion is when a procedure calls itself with different parameters.

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In many cases a loop and recursion can accomplish the same task, but the loop will tend to go faster. Unfortunately, the way that most people teach recursion (factorials) is not that great/intuitive and a loop will actually work faster because it won't have to store so many function calls in memory. Bottom line, they are fairly interchangeable for 99% of circumstances. And when they are interchangeable, it would probably be most efficient and understandable to use a loop.