Design Circular Queue || LeetCode || Daily Problem Solving || Daily Streak || Python || Easy Explain

In this video, I walk you through how to implement a circular double-ended queue (deque) in Python from scratch! We explore the MyCircularDeque class, where we implement the following operations:

insertFront(): Add an item to the front of the deque.
insertLast(): Add an item to the rear of the deque.
deleteFront(): Remove an item from the front of the deque.
deleteLast(): Remove an item from the rear of the deque.
getFront(): Retrieve the front item.
getRear(): Retrieve the rear item.
isEmpty(): Check if the deque is empty.
isFull(): Check if the deque is full.

The deque is implemented using circular logic to efficiently manage space and ensure that both ends (front and rear) can be accessed and manipulated seamlessly.

This video also includes a detailed explanation of edge cases, such as handling circularity when the deque is full or empty, and how the rear and front pointers are managed.

Topics Covered:

1. Circular deque structure
2. Efficient memory management using circular arrays
3. How to handle insertion and deletion at both ends
4. Debugging common errors

By the end of this video, you’ll have a clear understanding of how a circular deque works and how to implement one on your own!

#python #Deque #CircularQueue #datastructures #programmingtutorial #leetcode