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Introduction to Recursion with stack frame and recursion tree
- The article explains recursion function and its implementation using a simple program in C language.
- The article discusses the changes in the stack frame when using a recursion function and helps in understanding recursion tree with an example of finding the nth Fibonacci number.
- It explains how local c variables are stored in the stack when a function is called with its activation record and the changes that occur when recursive calls are made.
- The program uses function fun to demonstrate how the stack frame gets affected when a recursion function is used.
- The recursion tree is a visual representation of recursive calls that helps in understanding the complexity of a function with multiple recursive calls.
- The article also describes the pseudo code to find the nth Fibonacci number and its implementation with a recursion tree.
- The article concludes with the importance of recursion in dynamic programming and backtracking and its role in getting the desired results.
- Understanding recursion is important for any programmer and helps in writing efficient code with minimal errors.
- Recursion can be used to solve complex problems easily by dividing the problem into simple sub-problems.
- Recursion helps in developing code that is reusable and helps in reducing the complexity of code by breaking it into smaller functions.
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