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Introduction

Prerequisites

E1 : Message Program

E2 : Numbers Program

Working of function calls

What is Recursion?

Recursive Function for E2

Internal Working of Recursive Function

Base Condition in Recursion

Definition of Recursion

Use of Recursion

Visualising Recursion Recursion Tree

Q1 : Fibonacci Numbers

Identifying Recursion problem

Finding Base Condition

Code for Q1

Tail Recursion

Best Approach for Recursion Problems

Understanding Recursion Tree

Key areas to be focused for Recursion

Q2 : Binary Search

Types of Recurrence Relation

Important Tip

When to take which variable?

Recursion Tree for Binary Search

Outro

Description:

Dive into a comprehensive tutorial on recursion, designed to demystify this often challenging concept for programmers. Learn the fundamentals, visualize complex problems, and master best practices for implementing recursive solutions. Explore practical examples like message programs, number sequences, and Fibonacci numbers to solidify your understanding. Discover how to identify recursion problems, determine base conditions, and construct effective recursion trees. Gain insights into tail recursion, different types of recurrence relations, and when to use specific variables in your recursive functions. Apply your knowledge to implement a recursive binary search algorithm. Perfect for those preparing for technical interviews or seeking to enhance their problem-solving skills in data structures and algorithms.

Introduction to Recursion - Learn in the Best Way

Kunal Kushwaha

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#Computer Science #Algorithms #Recursion #Algorithms and Data Structures #Binary Search #Mathematics #Discrete Mathematics #Recurrence Relations #Fibonacci Numbers