Скачать или смотреть C++ Recursion Tutorial // Updated

Recursion can be simply thought of as another form of repetition, albeit a less efficient one. Why not just use a loop then? Well, some problems find a natural expression of their solution in the form of a recursive function. In other words, it's easier.

In this video, I write two functions: one iterative, and one recursive. The sample functions count down from some integer argument to 1 and then announces Blastoff! One uses a while loop and the other uses a call to itself.

I explain what a base case is and what a recursive function call is. Additionally, I demonstrate the basic template for a recursive function and discuss how to avoid infinite recursion.

I compare a loop-based repetitive function to a function that achieves repetition by calling itself.

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