Name: Grokking Data Structures & Algorithms for Coding Interviews
Price: 78 USD
Rating: 4 (8283 reviews)

Grokking Data Structures & Algorithms for Coding Interviews

Unlock Coding Interview Success: Dive Deep into Data Structures and Algorithms!

Level:

Beginner

Study Time:

50h

Lessons:

205

Playgrounds :

242

(8,283 ratings)

26,683 learners

Course Overview

In this comprehensive course, we delve deep into the world of data structures & algorithms, covering both the commonly used and the more advanced topics. Participants will learn the principles, usage, and implementation of various data structures, along with their time and space complexities. The course will feature multiple coding problems for each data structure and is tailored for coding interviews.

By the end of this course, learners will be adept at selecting and applying the most suitable data structure for any coding problem, ensuring optimized code performance. Prepare to elevate your coding skills and ace those coding interviews with confidence!

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Course Content

• 16 Chapters • 205 Lessons

Introduction to Data Structures

4 lessons

Who Should Take This Course?

Understanding Data Structures

Types of Data Structures

An Overview of Big-O

Array

10 lessons

Introduction to Arrays

Arrays in Different Programming Languages

Problem 1: Running Sum of 1d Array (easy)

Solution: Running Sum of 1d Array (easy)

Problem 2: Contains Duplicate (easy)

Solution: Contains Duplicate

Problem 3: Left and Right Sum Differences (easy)

Solution: Left and Right Sum Differences (easy)

Problem 4: Find the Highest Altitude (easy)

Solution: Find the Highest Altitude (easy)

Matrix

7 lessons

Introduction to Matrix

Problem 1: Richest Customer Wealth (easy)

Solution: Richest Customer Wealth (easy)

Problem 2: Matrix Diagonal Sum (easy)

Solution: Matrix Diagonal Sum (easy)

Problem 3: Row With Maximum Ones(easy)

Solution: Row With Maximum Ones(easy)

Queue

18 lessons

Introduction to Queues

Working with Simple Queues

Queue Implementation in Different Languages

Types of Queue

Diving Deeper – Circular Queues and Deques

Applications and Advanced Concepts

Reverse a Queue (easy)

Solution: Reverse a Queue

Implement Stack using Queues (easy)

Solution: Implement Stack using Queues

Generate Binary Numbers from 1 to N

Solution: Generate Binary Numbers from 1 to N

Zigzag Iterator (medium)

Solution: Zigzag Iterator

Max of All Subarrays of Size 'k' (medium)

Solution: Max of All Subarrays of Size 'k'

Palindrome Check using Queue (easy)

Solution: Palindrome Check using Queue

LinkedList

14 lessons

Introduction to LinkedList

Types of LinkedList

Operations on Singly Linked List

Operations on Doubly Linked List

Problem 1: Reverse Linked List (easy)

Solution: Reverse Linked List

Problem 2: Remove Duplicates from Sorted List (easy)

Solution: Remove Duplicates from Sorted List

Problem 3: Merge Two Sorted Lists (easy)

Solution: Merge Two Sorted Lists

Problem 4: Find if Doubly Linked List is a Palindrome (easy)

Solution: Find if Doubly Linked List is a Palindrome

Problem 5: Swap Nodes in Pairs (medium)

Solution: Swap Nodes in Pairs

Tree & Binary Search Tree

18 lessons

Introduction to Tree

Types of Tree

BST Traversal Techniques

BST Operations

Maximum Depth (or Height) of Binary Tree (easy)

Solution: Maximum Depth (or Height) of Binary Tree

Balanced Binary Tree (easy)

Solution: Balanced Binary Tree

Minimum Difference Between BST Nodes (easy)

Solution: Minimum Difference Between BST Nodes

Range Sum of BST (easy)

Solution: Range Sum of BST

Kth Smallest Element in a BST (medium)

Solution: Kth Smallest Element in a BST

Closest Binary Search Tree Value (medium)

Solution: Closest Binary Search Tree Value

Merge Two Binary Trees (medium)

Solution: Merge Two Binary Trees

Hash Table (aka Hashmap or Dictionary)

13 lessons

Introduction to Hash Tables

Hashing, Collisions, Overflow, and Resizing in Hashtables

Using Hashtable in Different Programming Languages

Problem 1: First Non-repeating Character (easy)

Solution: First Non-repeating Character (easy)

Problem 2: Largest Unique Number (easy)

Solution: Largest Unique Number (easy)

Problem 3: Maximum Number of Balloons (easy)

Solution: Maximum Number of Balloons (easy)

Problem 4: Longest Palindrome(easy)

Solution: Longest Palindrome(easy)

Problem 5: Ransom Note (easy)

Solution: Ransom Note (easy)

HashSet

10 lessons

Introduction to HashSets

Using HashSets in Different Programming Languages

Problem 1: Counting Elements (easy)

Solution: Counting Elements (easy)

Problem 2: Jewels and Stones (easy)

Solution: Jewels and Stones (easy)

Problem 3: Unique Number of Occurrences (easy)

Solution: Unique Number of Occurrences (easy)

Problem 4: Longest Substring Without Repeating Characters (medium)

Solution: Longest Substring Without Repeating Characters (medium)

10.

Heap

10 lessons

Introduction to Heap

Heap Operations

Take Gifts From the Richest Pile(easy)

Solution: Take Gifts From the Richest Pile(easy)

Sort Characters By Frequency (easy)

Solution: Sort Characters By Frequency (easy)

Minimum Cost to Connect Sticks(medium)

Solution: Minimum Cost to Connect Sticks(medium)

Find the Median of a Number Stream (medium)

Solution: Find the Median of a Number Stream

11.

Graph

15 lessons

Introduction to Graph

Types of Graph

Graph Representations

Graph Traversal - Depth First Search(DFS)

Graph Traversal - Breadth First Search (BFS)

Find if Path Exists in Graph(easy)

Solution: Find if Path Exists in Graph(easy)

Number of Provinces (medium)

Solution: Number of Provinces

Find Eventual Safe States (medium)

Solution: Find Eventual Safe States

Minimum Number of Vertices to Reach All Nodes(medium)

Solution: Minimum Number of Vertices to Reach All Nodes(medium)

Bus Routes (hard)

Solution: Bus Routes

12.

Trie (aka Prefix Tree)

11 lessons

Introduction to Trie

Implement Trie (Prefix Tree) (medium)

Solution: Implement Trie (Prefix Tree)

Index Pairs of a String (easy)

Solution: Index Pairs of a String

Extra Characters in a String (medium)

Solution: Extra Characters in a String

Search Suggestions System (medium)

Solution: Search Suggestions System

Design Add and Search Words Data Structure (medium)

Solution: Design Add and Search Words Data Structure

13.

Sorting

16 lessons

Introduction to Sorting Algorithms

Advanced Sorting Techniques

Apple Redistribution into Boxes (easy)

Solution: Apple Redistribution into Boxes

Sort Array by Increasing Frequency (easy)

Solution: Sort Array by Increasing Frequency

Sort Vowels in a String (medium)

Solution: Sort Vowels in a String

Reduction Operations to Make the Array Elements Equal (medium)

Solution: Reduction Operations to Make the Array Elements Equal

Divide Array Into Arrays With Max Difference (medium)

Solution: Divide Array Into Arrays With Max Difference

Top 'K' Frequent Numbers (medium)

Solution: Top 'K' Frequent Numbers

Meeting Rooms II (medium)

Solution: Meeting Rooms II

14.

Searching

13 lessons

Introduction to Searching Algorithms

Maximum Count of Positive Integer and Negative Integer (easy)

Solution: Maximum Count of Positive Integer and Negative Integer

Minimum Common Value (easy)

Solution: Minimum Common Value

Frequency of the Most Frequent Element (medium)

Solution: Frequency of the Most Frequent Element

Minimize the Maximum of Two Arrays (medium)

Solution: Minimize the Maximum of Two Arrays

Search a 2D Matrix II (medium)

Solution: Search a 2D Matrix II

Sqrt (medium)

Solution: Sqrt

15.

Greedy Algorithm

13 lessons

Introduction to Greedy Algorithm

Valid Palindrome II (easy)

Solution: Valid Palindrome II

Maximum Length of Pair Chain (medium)

Solution: Maximum Length of Pair Chain

Minimum Add to Make Parentheses Valid (medium)

Solution: Minimum Add to Make Parentheses Valid

Remove Duplicate Letters (medium)

Solution: Remove Duplicate Letters

Largest Palindromic Number (Medium)

Solution: Largest Palindromic Number

Removing Minimum and Maximum From Array (medium)

Solution: Removing Minimum and Maximum From Array

16.

Divide and Conquer Algorithm

11 lessons

Introduction to Divide and Conquer Algorithm

Longest Nice Substring (easy)

Solution: Longest Nice Substring

Majority Element (easy)

Solution: Majority Element

Sort List (medium)

Solution: Sort List

Maximum Binary Tree (medium)

Solution: Maximum Binary Tree

Beautiful Array (medium)

Solution: Beautiful Array

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