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Merge Two Sorted Linked Lists

Singly Linked Lists

18 Lessons

Examine singly linked lists, including creation, insertion, deletion, swaps, and more.

Exercise: Move Tail to Head

Solution Review: Move Tail to Head

Exercise: Sum Two Linked Lists

Solution Review: Sum Two Linked Lists

Introduction and Insertion

Circular Linked Lists

7 Lessons

Find out about circular linked lists, their operations, and applications in Python.

Remove Node

Split Linked List into Two Halves

Josephus Problem

Exercise: Is Circular Linked List

Solution Review: Is Circular Linked List

Exercise: Remove Duplicates

Doubly Linked Lists

9 Lessons

Solve problems in doubly linked lists involving appending, prepending, deleting, reversing, and finding sums.

Append and Prepend

Add Node Before/After

Delete Node

Reverse

Solution Review: Remove Duplicates

Exercise: Pairs with Sums

Solution Review: Pairs with Sums

Arbitrary Precision Increment

Arrays

7 Lessons

Focus on array manipulation, algorithms for optimal task assignment, intersection, and stock trading.

Array Advance Game

Two Sum Problem

Optimal Task Assignment

Intersection of Two Sorted Arrays

Exercise: Buy and Sell Stock

Solution Review: Buy and Sell Stock

Binary Trees

8 Lessons

Piece together the parts of binary tree structures, traversal methods, height, and size calculations.

Introduction

Traversal Algorithms

Level-Order Traversal

Reverse Level-Order Traversal

Calculating the Height of a Binary Tree

Exercise: Calculating the Size of a Tree

Solution Review: Calculating the Size of a Tree

Introduction - Insertion and Search

Binary Search Trees

4 Lessons

Learn how to use binary search trees for organizing, inserting, and validating nodes.

Exercise: Checking the BST property

Solution Review: Checking the BST property

Find First Entry in List with Duplicates

Binary Search

11 Lessons

Walk through binary search applications, enhancing efficiency for sorted lists in Python.

Binary Search

Find the Closest Number

Find Fixed Number

Find Bitonic Peak

Python's Bisect Method

Exercise: Integer Square Root

Solution Review: Integer Square Root

Exercise: Cyclically Shifted Array

Solution Review: Cyclically Shifted Array

Find Uppercase Letter in String

10.

Recursion

6 Lessons

Work your way through recursive algorithms for string manipulation and integer multiplication.

Calculate String Length

Count Consonants in String

Exercise: Product of Two Positive Integers

Solution Review: Product of Two Positive Integers

Is Palindrome Permutation

11.

String Processing

11 Lessons

Grasp the fundamentals of Python string processing through sequences, conversions, and permutation checks.

Look-and-Say Sequence

Spreadsheet Encoding

Is Palindrome

Is Anagram

Check Permutation

Exercise: Is Unique

Solution Review: Is Unique

Integer to String

Exercise: String to Integer

Solution Review: String to Integer

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