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Guide for Beginners Recursion is a powerful programming concept where a function calls itself to solve smaller instances of a problem. This technique is especially useful when a problem can be naturally divided into similar subproblems. ✅ When Can Recursion Be Used? To use recursion effectively, three key conditions must be met: Base Case: A condition that stops the recursion. Recursive Case: The function must call itself with a simpler or smaller input. Progress Toward Base Case: Each recursive call must move closer to the base case. If these aren't met, the function will recurse infinitely, eventually causing a stack overflow.

May 8, 2025 - 16:08
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Guide for Beginners

Recursion is a powerful programming concept where a function calls itself to solve smaller instances of a problem. This technique is especially useful when a problem can be naturally divided into similar subproblems.

✅ When Can Recursion Be Used?

To use recursion effectively, three key conditions must be met:

  1. Base Case: A condition that stops the recursion.
  2. Recursive Case: The function must call itself with a simpler or smaller input.
  3. Progress Toward Base Case: Each recursive call must move closer to the base case.

If these aren't met, the function will recurse infinitely, eventually causing a stack overflow.

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