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Recursion vs. Iteration

Understand the fundamental differences between recursion and iteration, including their processes, memory usage, and performance impacts. Learn when to choose recursion or iteration for solving programming problems, with examples like quicksort and simple loops. This lesson prepares you to efficiently transform and apply these techniques in your coding interviews.

What is iteration?

Iterative code is a block of code that runs in a loop. In other words, the same code is repeated over and over again. The idea seems much similar to that of recursion. So where does the difference lie?

Is there a difference?

Within recursion and iteration, there are multiple differences. These differences give these two implementations of repeated code their own uses.

  • The first difference to note is that ...