Big O(n^2) Complexity | UL

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Mastering Data Structures and Algorithms

Course Introduction

Course Introduction (3:30)
Curriculum Walkthrough (15:34)

Big O Notation

Section Introduction (1:43)
Complexity Analysis (5:25)
Why we need Big O Notation? (6:31)
Big O(n) Complexity (7:47)
Big O(1) Complexity (4:04)
Counting Operations (3:32)
Simplifying Big O - Part 1 (7:19)
Big O(n^2) Complexity (3:44)
Simplifying Big O - Part 2 (2:35)
Big O(n!) Complexity (1:25)
Space Complexity (4:39)
Space Complexity - II (1:44)
Section Summary (1:38)

Essential Concepts - I

Memory (11:25)
Logarithm (11:12)

Data Structure - Introduction

Introduction to Data Structures (7:07)

Data Structures - Array

Array Introduction (4:40)
Array - Common Operations I (8:02)
Array - Common Operations II (8:04)
Static vs Dynamic Array - Common Operations III (7:25)

Data Structures - Linked List

Linked List (25:54)
Linked List Complexities (20:43)
Doubly Linked List (7:27)
Circular Linked List and Implementing A Linked List (15:29)

Data Structures - Stack and Queue

Stack and Queue (26:18)

Data Structures - Hash Tables

Hash Tables (34:42)

Data Structures - Trees

Tree - Part 1 (17:32)
Tree - Part 2 (5:22)
Binary Tree (13:49)
Types of Binary Tree
Binary Search Tree (28:57)
AVL - Red Back Tree (7:58)

Data Structures - Heaps

Heaps (29:05)
Heap Sort and Priority Queue (13:50)

Data Structures - Trie

Trie - I (12:59)
Trie - II (20:33)
Why Tries are Important? (3:04)

Data Structures - Graph

Graph (32:08)

Quiz

Quiz 1: Data Structures and Algorithms
Quiz 2: Data Structures and Algorithms

Essential Concepts - II

What is Recursion? (7:13)
Recursion: Control of a Function (7:00)
Recursion: Tracing Tree (17:55)
Recursion: Understanding Call Stack (16:10)
Recursion: Tree Recursion (18:48)
Recursion Example - Factorial of a Number (7:38)

Quiz

Quiz 3: Data Structures and Algorithms

Algorithm: Searching

Linear Search (7:30)
Binary Search (10:57)
Binary Search Complexity (4:34)
Binary Search Implementation (5:14)
Binary Search Implementation - Recursion (25:48)

Algorithm: Sorting Elementary

Sorting Algorithm Introduction (2:20)
Bubble Sort (4:52)
Bubble Sort Visualization (2:25)
Bubble Sort Implementation (7:19)
Bubble Sort Complexity (3:32)
Selection Sort (4:11)
Selection Sort Visualization (3:21)
Selection Sort - Implementation (6:59)
Selection Sort - Complexity (2:32)
Insertion Sort (3:48)
Insertion Sort Implementation (7:43)
Insertion Sort Complexity (2:35)
Performance Analysis (4:07)

Algorithm: Sorting Advanced

Quick Sort (22:21)
Quick Sort Complexity (12:52)
Quick Sort Implementation (10:58)
Merge Sort (13:11)
Merge Sort Complexity (5:37)
Merge Sort Implementation (21:51)

Algorithms: Tree Traversal

Tree Traversal (18:52)
Depth First Search - Preorder Inorder Postorder (10:02)
Binary Tree Implementation (9:54)
Depth First Search - Implementation (20:42)
Depth First Search - Complexity (3:18)
Breadth First Search - Level Order (10:10)
Breadth First Search - Implementation (13:26)
Breadth First Search - Complexity (2:19)

Algorithms: Graph Traversal

Graph Traversal (5:55)
Graph Implementation (8:08)
Breadth First Search - Implementation (14:27)
Depth First Search - Implementation (8:38)
Graph Traversal Complexity (3:29)

Implementations and Interview Questions

Data Structure Implementation (5:56)
Problem Solving Approach (9:36)

IQ 1 - Two Sum

Two Sum (12:52)

IQ 2 - Min Stack

Min Stack (15:47)
Min Stack Implementation (7:11)

IQ 3 - Max Stack

Max Stack (4:03)

IQ 4 - Design a Linked List

Design a Linked List - I (12:16)
Design a Linked List - II (18:48)
Design a Linked List - III (12:14)
Design a Linked List - IV (15:52)

IQ 5 - Reverse Linked List

Reverse Linked List - I (23:02)
Reverse Linked List - II (5:37)

IQ 6 - Construct Binary Tree

Traversal (Preorder-Inorder-Postorder) (16:38)
Construct BT: From Preorder and Inorder Traversal - I (29:43)
Construct BT: From Preorder and Inorder Traversal - II (26:56)

IQ 7 - Invert Binary Tree

Invert Binary Tree - I (20:10)
Invert Binary Tree - II (12:51)

IQ 8 - Construct Binary Search Tree

Construct BST: From Preorder Traversal (27:43)
Construct BST: From Preorder Traversal - II (1:03)

IQ 9 - Detect Capital

Detect Capital (15:03)

IQ 10 - Reverse String

Reverse String (13:13)

IQ 11 - Longest Palindromic Substring

Longest Palindromic Substring - I (21:58)
Longest Palindromic Substring - II (17:18)

Thank You For Being Here!

Thank You For Being Here! (0:42)

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Big O(n^2) Complexity

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