Linear Regression in Machine Learning is one of the most fundamental algorithm. It is the door to the magical world…

A queue is an ordered collection of items where the addition of new items happens at one end, called the…

A deque, also known as a double-ended queue, is an ordered collection of items similar to the queue. It has…

A singly linked list, in its simplest form, is a collection of nodes that collectively form a linear sequence. Each…

In a doubly linked list, we define a linked list in which each node keeps an explicit reference to the…

In Doubly Linked List, We declare two pointers to store location of next Node and previous Node.

Given a singly linked list, write a function which takes in the first node in a singly linked list and…

Write a function that takes a head node and an integer value n and then returns the nth to last…

Write a function to reverse a Linked List in place. The function will take in the head of the list…

Big-O (in its simplest form) reduces the comparison between algorithms to a single variable. That variable is chosen based on…

Big-O Complexity for Python Data Structures

Given a string of words, reverse all the words. For example: