Data Structure

Introduction to Singly Linked List

Singly Linked List Singly Linked List is a linear and connected data structure made of Nodes. Each node is composed…

3 years ago

Reverse a String in Python

This interview question requires you to reverse a string using recursion. Make sure to think of the base case here.

4 years ago

Implement a Queue Using Two Stacks in Python

Given the Stack class below, implement a Queue class using two stacks

4 years ago

Balanced Parentheses Check in Python

Given a string of opening and closing parentheses, check whether it’s balanced. We have 3 types of parentheses: round brackets:…

4 years ago

Largest Continuous Sum in Python

Given an array of integers (positive and negative) find the largest continuous sum.

4 years ago

Find the Missing Element in Python

Consider an array of non-negative integers. A second array is formed by shuffling the elements of the first array and…

4 years ago

Big-O Complexity for Python Data Structures

Big-O Complexity for Python Data Structures

4 years ago

Algorithm Big-O Notation Examples

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

4 years ago

Linked List Reversal in Python

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

4 years ago

Linked List Nth to Last Node in Python

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

4 years ago