Interview Preparation

FAANG Interview Preparation

Learn the 18 essential coding patterns (Sliding Window, Two Pointers, DP), and how to tell which one an unfamiliar problem needs.

264 Lessons

Advanced

Python, Java, C++, JavaScript, TypeScript, C

See Pricing

Lessons

Two Pointers

Introduction to Two Pointers

30 m

Master the Introduction to Two Pointers pattern to solve top interview questions efficiently.

Reverse String

30 m

Master the Reverse String pattern to solve top interview questions efficiently.

Two Sum II - Input Array Is Sorted

30 m

Master the Two Sum II - Input Array Is Sorted pattern to solve top interview questions efficiently.

Valid Palindrome

30 m

Master the Valid Palindrome pattern to solve top interview questions efficiently.

Merge Sorted Array

30 m

Master the Merge Sorted Array pattern to solve top interview questions efficiently.

Remove Duplicates from Sorted Array

30 m

Master the Remove Duplicates from Sorted Array pattern to solve top interview questions efficiently.

Remove Element

30 m

Master the Remove Element pattern to solve top interview questions efficiently.

Rotate Array

30 m

Master the Rotate Array pattern to solve top interview questions efficiently.

Squares of a Sorted Array

30 m

Master the Squares of a Sorted Array pattern to solve top interview questions efficiently.

Is Subsequence

30 m

Master the Is Subsequence pattern to solve top interview questions efficiently.

Valid Palindrome II

30 m

Master the Valid Palindrome II pattern to solve top interview questions efficiently.

Longest Palindromic Substring

30 m

Master the Longest Palindromic Substring pattern to solve top interview questions efficiently.

Palindromic Substrings

30 m

Master the Palindromic Substrings pattern to solve top interview questions efficiently.

Encode and Decode Strings

30 m

Master the Encode and Decode Strings pattern to solve top interview questions efficiently.

Container With Most Water

30 m

Master the Container With Most Water pattern to solve top interview questions efficiently.

3-Sum

30 m

Master the 3-Sum pattern to solve top interview questions efficiently.

3Sum Closest

30 m

Master the 3Sum Closest pattern to solve top interview questions efficiently.

4Sum

30 m

Master the 4Sum pattern to solve top interview questions efficiently.

Valid Triangle Number

30 m

Master the Valid Triangle Number pattern to solve top interview questions efficiently.

Move Zeroes

30 m

Master the Move Zeroes pattern to solve top interview questions efficiently.

Sort Colors

30 m

Master the Sort Colors pattern to solve top interview questions efficiently.

Trapping Rain Water

30 m

Master the Trapping Rain Water pattern to solve top interview questions efficiently.

Multiply Strings

30 m

Master the Multiply Strings pattern to solve top interview questions efficiently.

Add Binary

30 m

Master the Add Binary pattern to solve top interview questions efficiently.

Add Strings

30 m

Master the Add Strings pattern to solve top interview questions efficiently.

Plus One

30 m

Master the Plus One pattern to solve top interview questions efficiently.

Hash Map

Two Sum

30 m

Master the Two Sum pattern to solve top interview questions efficiently.

Contains Duplicate

30 m

Master the Contains Duplicate pattern to solve top interview questions efficiently.

Valid Anagram

30 m

Master the Valid Anagram pattern to solve top interview questions efficiently.

Group Anagrams

30 m

Master the Group Anagrams pattern to solve top interview questions efficiently.

Top K Frequent Elements

30 m

Master the Top K Frequent Elements pattern to solve top interview questions efficiently.

Longest Consecutive Sequence

30 m

Master the Longest Consecutive Sequence pattern to solve top interview questions efficiently.

Valid Sudoku

30 m

Master the Valid Sudoku pattern to solve top interview questions efficiently.

Majority Element

30 m

Master the Majority Element pattern to solve top interview questions efficiently.

Isomorphic Strings

30 m

Master the Isomorphic Strings pattern to solve top interview questions efficiently.

Word Pattern

30 m

Master the Word Pattern pattern to solve top interview questions efficiently.

Ransom Note

30 m

Master the Ransom Note pattern to solve top interview questions efficiently.

First Unique Character in a String

30 m

Master the First Unique Character in a String pattern to solve top interview questions efficiently.

Roman to Integer

30 m

Master the Roman to Integer pattern to solve top interview questions efficiently.

Sliding Window

Introduction to Sliding Window

30 m

Master the Introduction to Sliding Window pattern to solve top interview questions efficiently.

Longest Substring Without Repeating Characters

30 m

Master the Longest Substring Without Repeating Characters pattern to solve top interview questions efficiently.

Longest Repeating Character Replacement

30 m

Master the Longest Repeating Character Replacement pattern to solve top interview questions efficiently.

Minimum Window Substring

30 m

Master the Minimum Window Substring pattern to solve top interview questions efficiently.

Minimum Size Subarray Sum

30 m

Master the Minimum Size Subarray Sum pattern to solve top interview questions efficiently.

Max Consecutive Ones III

30 m

Master the Max Consecutive Ones III pattern to solve top interview questions efficiently.

Fruit Into Baskets

30 m

Master the Fruit Into Baskets pattern to solve top interview questions efficiently.

Contains Duplicate II

30 m

Master the Contains Duplicate II pattern to solve top interview questions efficiently.

Overview (Fixed Length)

30 m

Master the Overview (Fixed Length) pattern to solve top interview questions efficiently.

Maximum Points You Can Obtain from Cards

30 m

Master the Maximum Points You Can Obtain from Cards pattern to solve top interview questions efficiently.

Maximum Sum of Distinct Subarrays With Length K

30 m

Master the Maximum Sum of Distinct Subarrays With Length K pattern to solve top interview questions efficiently.

Permutation in String

30 m

Master the Permutation in String pattern to solve top interview questions efficiently.

Find All Anagrams in a String

30 m

Master the Find All Anagrams in a String pattern to solve top interview questions efficiently.

Sliding Window Maximum

30 m

Master the Sliding Window Maximum pattern to solve top interview questions efficiently.

Intervals

Intervals Overview

30 m

Master the Intervals Overview pattern to solve top interview questions efficiently.

Merge Intervals

30 m

Master the Merge Intervals pattern to solve top interview questions efficiently.

Insert Interval

30 m

Master the Insert Interval pattern to solve top interview questions efficiently.

Non-overlapping Intervals

30 m

Master the Non-overlapping Intervals pattern to solve top interview questions efficiently.

Meeting Rooms

30 m

Master the Meeting Rooms pattern to solve top interview questions efficiently.

Meeting Rooms II

30 m

Master the Meeting Rooms II pattern to solve top interview questions efficiently.

Min Arrows to Burst Balloons

30 m

Master the Min Arrows to Burst Balloons pattern to solve top interview questions efficiently.

Linked List

Linked List Overview

30 m

Master the Linked List Overview pattern to solve top interview questions efficiently.

Reverse Linked List

30 m

Master the Reverse Linked List pattern to solve top interview questions efficiently.

Middle of the Linked List

30 m

Master the Middle of the Linked List pattern to solve top interview questions efficiently.

Intersection of Two Linked Lists

30 m

Master the Intersection of Two Linked Lists pattern to solve top interview questions efficiently.

Merge Two Sorted Lists

30 m

Master the Merge Two Sorted Lists pattern to solve top interview questions efficiently.

Add Two Numbers

30 m

Master the Add Two Numbers pattern to solve top interview questions efficiently.

Linked List Cycle

30 m

Master the Linked List Cycle pattern to solve top interview questions efficiently.

Palindrome Linked List

30 m

Master the Palindrome Linked List pattern to solve top interview questions efficiently.

Remove Nth Node From End of List

30 m

Master the Remove Nth Node From End of List pattern to solve top interview questions efficiently.

Reorder List

30 m

Master the Reorder List pattern to solve top interview questions efficiently.

Swap Nodes in Pairs

30 m

Master the Swap Nodes in Pairs pattern to solve top interview questions efficiently.

LRU Cache

30 m

Master the LRU Cache pattern to solve top interview questions efficiently.

Find the Duplicate Number

30 m

Master the Find the Duplicate Number pattern to solve top interview questions efficiently.

Copy List with Random Pointer

30 m

Master the Copy List with Random Pointer pattern to solve top interview questions efficiently.

Reverse Nodes in k-Group

30 m

Master the Reverse Nodes in k-Group pattern to solve top interview questions efficiently.

Happy Number

30 m

Master the Happy Number pattern to solve top interview questions efficiently.

Stack

Stack Overview

30 m

Master the Stack Overview pattern to solve top interview questions efficiently.

Valid Parentheses

30 m

Master the Valid Parentheses pattern to solve top interview questions efficiently.

Decode String

30 m

Master the Decode String pattern to solve top interview questions efficiently.

Longest Valid Parentheses

30 m

Master the Longest Valid Parentheses pattern to solve top interview questions efficiently.

Overview (Monotonic Stack)

30 m

Master the Overview (Monotonic Stack) pattern to solve top interview questions efficiently.

Daily Temperatures

30 m

Master the Daily Temperatures pattern to solve top interview questions efficiently.

Largest Rectangle in Histogram

30 m

Master the Largest Rectangle in Histogram pattern to solve top interview questions efficiently.

Maximal Rectangle

30 m

Master the Maximal Rectangle pattern to solve top interview questions efficiently.

Evaluate Reverse Polish Notation

30 m

Master the Evaluate Reverse Polish Notation pattern to solve top interview questions efficiently.

Min Stack

30 m

Master the Min Stack pattern to solve top interview questions efficiently.

Car Fleet

30 m

Master the Car Fleet pattern to solve top interview questions efficiently.

Next Greater Element I

30 m

Master the Next Greater Element I pattern to solve top interview questions efficiently.

Next Greater Element II

30 m

Master the Next Greater Element II pattern to solve top interview questions efficiently.

Asteroid Collision

30 m

Master the Asteroid Collision pattern to solve top interview questions efficiently.

Online Stock Span

30 m

Master the Online Stock Span pattern to solve top interview questions efficiently.

Remove K Digits

30 m

Master the Remove K Digits pattern to solve top interview questions efficiently.

Simplify Path

30 m

Master the Simplify Path pattern to solve top interview questions efficiently.

Basic Calculator II

30 m

Master the Basic Calculator II pattern to solve top interview questions efficiently.

Remove All Adjacent Duplicates in String

30 m

Master the Remove All Adjacent Duplicates in String pattern to solve top interview questions efficiently.

Binary Search

30 m

Master the Binary Search pattern to solve top interview questions efficiently.

Search Insert Position

30 m

Master the Search Insert Position pattern to solve top interview questions efficiently.

First Bad Version

30 m

Master the First Bad Version pattern to solve top interview questions efficiently.

Sqrt(x)

30 m

Master the Sqrt(x) pattern to solve top interview questions efficiently.

Valid Perfect Square

30 m

Master the Valid Perfect Square pattern to solve top interview questions efficiently.

Find Peak Element

30 m

Master the Find Peak Element pattern to solve top interview questions efficiently.

Apple Harvest (Koko Variant)

30 m

Master the Apple Harvest (Koko Variant) pattern to solve top interview questions efficiently.

Search in Rotated Sorted Array

30 m

Master the Search in Rotated Sorted Array pattern to solve top interview questions efficiently.

Find Minimum in Rotated Sorted Array

30 m

Master the Find Minimum in Rotated Sorted Array pattern to solve top interview questions efficiently.

Search a 2D Matrix

30 m

Master the Search a 2D Matrix pattern to solve top interview questions efficiently.

Search a 2D Matrix II

30 m

Master the Search a 2D Matrix II pattern to solve top interview questions efficiently.

Time Based Key-Value Store

30 m

Master the Time Based Key-Value Store pattern to solve top interview questions efficiently.

Median of Two Sorted Arrays

30 m

Master the Median of Two Sorted Arrays pattern to solve top interview questions efficiently.

Heap / Priority Queue

Heap Overview

30 m

Master the Heap Overview pattern to solve top interview questions efficiently.

Kth Largest Element in an Array

30 m

Master the Kth Largest Element in an Array pattern to solve top interview questions efficiently.

K Closest Points to Origin

30 m

Master the K Closest Points to Origin pattern to solve top interview questions efficiently.

Find K Closest Elements

30 m

Master the Find K Closest Elements pattern to solve top interview questions efficiently.

Merge K Sorted Lists

30 m

Master the Merge K Sorted Lists pattern to solve top interview questions efficiently.

Kth Smallest Element in a Sorted Matrix

30 m

Master the Kth Smallest Element in a Sorted Matrix pattern to solve top interview questions efficiently.

Find Median from Data Stream

30 m

Master the Find Median from Data Stream pattern to solve top interview questions efficiently.

Last Stone Weight

30 m

Master the Last Stone Weight pattern to solve top interview questions efficiently.

Network Delay Time

30 m

Master the Network Delay Time pattern to solve top interview questions efficiently.

Min Cost to Connect All Points

30 m

Master the Min Cost to Connect All Points pattern to solve top interview questions efficiently.

Swim in Rising Water

30 m

Master the Swim in Rising Water pattern to solve top interview questions efficiently.

Depth-First Search

Introduction to DFS

30 m

Master the Introduction to DFS pattern to solve top interview questions efficiently.

DFS Fundamentals

30 m

Master the DFS Fundamentals pattern to solve top interview questions efficiently.

Return Values in DFS

30 m

Master the Return Values in DFS pattern to solve top interview questions efficiently.

Invert Binary Tree

30 m

Master the Invert Binary Tree pattern to solve top interview questions efficiently.

Maximum Depth of Binary Tree

30 m

Master the Maximum Depth of Binary Tree pattern to solve top interview questions efficiently.

Same Tree

30 m

Master the Same Tree pattern to solve top interview questions efficiently.

Balanced Binary Tree

30 m

Master the Balanced Binary Tree pattern to solve top interview questions efficiently.

Subtree of Another Tree

30 m

Master the Subtree of Another Tree pattern to solve top interview questions efficiently.

Path Sum

30 m

Master the Path Sum pattern to solve top interview questions efficiently.

Passing Values Down (State)

30 m

Master the Passing Values Down (State) pattern to solve top interview questions efficiently.

Validate Binary Search Tree

30 m

Master the Validate Binary Search Tree pattern to solve top interview questions efficiently.

Kth Smallest Element in a BST

30 m

Master the Kth Smallest Element in a BST pattern to solve top interview questions efficiently.

Construct Binary Tree from Preorder and Inorder Traversal

30 m

Master the Construct Binary Tree from Preorder and Inorder Traversal pattern to solve top interview questions efficiently.

Serialize and Deserialize Binary Tree

30 m

Master the Serialize and Deserialize Binary Tree pattern to solve top interview questions efficiently.

Binary Tree Tilt

30 m

Master the Binary Tree Tilt pattern to solve top interview questions efficiently.

Diameter of Binary Tree

30 m

Master the Diameter of Binary Tree pattern to solve top interview questions efficiently.

Lowest Common Ancestor of a Binary Tree

30 m

Master the Lowest Common Ancestor of a Binary Tree pattern to solve top interview questions efficiently.

Path Sum II

30 m

Master the Path Sum II pattern to solve top interview questions efficiently.

Count Good Nodes in Binary Tree

30 m

Master the Count Good Nodes in Binary Tree pattern to solve top interview questions efficiently.

Longest Univalue Path

30 m

Master the Longest Univalue Path pattern to solve top interview questions efficiently.

Graphs Overview

30 m

Master the Graphs Overview pattern to solve top interview questions efficiently.

Graph Representation: Adjacency List

30 m

Master the Graph Representation: Adjacency List pattern to solve top interview questions efficiently.

Clone Graph

30 m

Master the Clone Graph pattern to solve top interview questions efficiently.

Graph Valid Tree

30 m

Master the Graph Valid Tree pattern to solve top interview questions efficiently.

Matrices as Graphs

30 m

Master the Matrices as Graphs pattern to solve top interview questions efficiently.

Flood Fill

30 m

Master the Flood Fill pattern to solve top interview questions efficiently.

Types of DFS (Tree Traversals)

30 m

Master the Types of DFS (Tree Traversals) pattern to solve top interview questions efficiently.

Number of Islands

30 m

Master the Number of Islands pattern to solve top interview questions efficiently.

Surrounded Regions

30 m

Master the Surrounded Regions pattern to solve top interview questions efficiently.

Pacific Atlantic Water Flow

30 m

Master the Pacific Atlantic Water Flow pattern to solve top interview questions efficiently.

Longest Increasing Path in a Matrix

30 m

Master the Longest Increasing Path in a Matrix pattern to solve top interview questions efficiently.

Breadth-First Search

Introduction to BFS

30 m

Master the Introduction to BFS pattern to solve top interview questions efficiently.

BFS Overview

30 m

Master the BFS Overview pattern to solve top interview questions efficiently.

Binary Tree Level Order Sum

30 m

Master the Binary Tree Level Order Sum pattern to solve top interview questions efficiently.

Binary Tree Level Order Traversal

30 m

Master the Binary Tree Level Order Traversal pattern to solve top interview questions efficiently.

Symmetric Tree

30 m

Master the Symmetric Tree pattern to solve top interview questions efficiently.

Binary Tree Rightmost Node

30 m

Master the Binary Tree Rightmost Node pattern to solve top interview questions efficiently.

Binary Tree Zigzag Level Order Traversal

30 m

Master the Binary Tree Zigzag Level Order Traversal pattern to solve top interview questions efficiently.

Maximum Width of Binary Tree

30 m

Master the Maximum Width of Binary Tree pattern to solve top interview questions efficiently.

Graphs Overview

30 m

Master the Graphs Overview pattern to solve top interview questions efficiently.

Minimum Knight Moves

30 m

Master the Minimum Knight Moves pattern to solve top interview questions efficiently.

Rotting Oranges

30 m

Master the Rotting Oranges pattern to solve top interview questions efficiently.

01 Matrix

30 m

Master the 01 Matrix pattern to solve top interview questions efficiently.

Bus Routes

30 m

Master the Bus Routes pattern to solve top interview questions efficiently.

Word Ladder

30 m

Master the Word Ladder pattern to solve top interview questions efficiently.

Cheapest Flights Within K Stops

30 m

Master the Cheapest Flights Within K Stops pattern to solve top interview questions efficiently.

Backtracking

Introduction to Backtracking

30 m

Master the Introduction to Backtracking pattern to solve top interview questions efficiently.

Solution Space Trees

30 m

Master the Solution Space Trees pattern to solve top interview questions efficiently.

Subsets (Power Set)

30 m

Master the Subsets (Power Set) pattern to solve top interview questions efficiently.

Permutations

30 m

Master the Permutations pattern to solve top interview questions efficiently.

Permutations II

30 m

Master the Permutations II pattern to solve top interview questions efficiently.

Combinations

30 m

Master the Combinations pattern to solve top interview questions efficiently.

Letter Case Permutation

30 m

Master the Letter Case Permutation pattern to solve top interview questions efficiently.

N-Queens

30 m

Master the N-Queens pattern to solve top interview questions efficiently.

Subsets II

30 m

Master the Subsets II pattern to solve top interview questions efficiently.

Combination Sum

30 m

Master the Combination Sum pattern to solve top interview questions efficiently.

Combination Sum II

30 m

Master the Combination Sum II pattern to solve top interview questions efficiently.

Generate Parentheses

30 m

Master the Generate Parentheses pattern to solve top interview questions efficiently.

Word Search

30 m

Master the Word Search pattern to solve top interview questions efficiently.

Letter Combinations of a Phone Number

30 m

Master the Letter Combinations of a Phone Number pattern to solve top interview questions efficiently.

Palindrome Partitioning

30 m

Master the Palindrome Partitioning pattern to solve top interview questions efficiently.

Graphs (Topological Sort)

Ordering Dependencies (Topological Sort)

30 m

Master the Ordering Dependencies (Topological Sort) pattern to solve top interview questions efficiently.

Course Schedule

30 m

Master the Course Schedule pattern to solve top interview questions efficiently.

Course Schedule II

30 m

Master the Course Schedule II pattern to solve top interview questions efficiently.

Alien Dictionary

30 m

Master the Alien Dictionary pattern to solve top interview questions efficiently.

Dynamic Programming

Intro to Dynamic Programming

30 m

Master the Intro to Dynamic Programming pattern to solve top interview questions efficiently.

Solving a Question with DP

30 m

Master the Solving a Question with DP pattern to solve top interview questions efficiently.

Fibonacci Number

30 m

Master the Fibonacci Number pattern to solve top interview questions efficiently.

Counting Bits

30 m

Master the Counting Bits pattern to solve top interview questions efficiently.

Pascal's Triangle

30 m

Master the Pascal's Triangle pattern to solve top interview questions efficiently.

Min Cost Climbing Stairs

30 m

Master the Min Cost Climbing Stairs pattern to solve top interview questions efficiently.

House Robber

30 m

Master the House Robber pattern to solve top interview questions efficiently.

House Robber II

30 m

Master the House Robber II pattern to solve top interview questions efficiently.

House Robber III

30 m

Master the House Robber III pattern to solve top interview questions efficiently.

Coin Change

30 m

Master the Coin Change pattern to solve top interview questions efficiently.

Coin Change II

30 m

Master the Coin Change II pattern to solve top interview questions efficiently.

Maximum Product Subarray

30 m

Master the Maximum Product Subarray pattern to solve top interview questions efficiently.

Combination Sum IV

30 m

Master the Combination Sum IV pattern to solve top interview questions efficiently.

Partition Equal Subset Sum

30 m

Master the Partition Equal Subset Sum pattern to solve top interview questions efficiently.

Target Sum

30 m

Master the Target Sum pattern to solve top interview questions efficiently.

Decode Ways

30 m

Master the Decode Ways pattern to solve top interview questions efficiently.

Maximal Square

30 m

Master the Maximal Square pattern to solve top interview questions efficiently.

Unique Paths

30 m

Master the Unique Paths pattern to solve top interview questions efficiently.

Unique Paths II

30 m

Master the Unique Paths II pattern to solve top interview questions efficiently.

Minimum Path Sum

30 m

Master the Minimum Path Sum pattern to solve top interview questions efficiently.

Triangle

30 m

Master the Triangle pattern to solve top interview questions efficiently.

Longest Common Subsequence

30 m

Master the Longest Common Subsequence pattern to solve top interview questions efficiently.

Edit Distance

30 m

Master the Edit Distance pattern to solve top interview questions efficiently.

Interleaving String

30 m

Master the Interleaving String pattern to solve top interview questions efficiently.

Distinct Subsequences

30 m

Master the Distinct Subsequences pattern to solve top interview questions efficiently.

Regular Expression Matching

30 m

Master the Regular Expression Matching pattern to solve top interview questions efficiently.

Wildcard Matching

30 m

Master the Wildcard Matching pattern to solve top interview questions efficiently.

Burst Balloons

30 m

Master the Burst Balloons pattern to solve top interview questions efficiently.

Best Time to Buy and Sell Stock with Cooldown

30 m

Master the Best Time to Buy and Sell Stock with Cooldown pattern to solve top interview questions efficiently.

Longest Increasing Subsequence

30 m

Master the Longest Increasing Subsequence pattern to solve top interview questions efficiently.

Word Break

30 m

Master the Word Break pattern to solve top interview questions efficiently.

Maximum Profit in Job Scheduling

30 m

Master the Maximum Profit in Job Scheduling pattern to solve top interview questions efficiently.

Greedy Algorithms

Introduction to Greedy Algorithms

30 m

Master the Introduction to Greedy Algorithms pattern to solve top interview questions efficiently.

Best Time to Buy and Sell Stock

30 m

Master the Best Time to Buy and Sell Stock pattern to solve top interview questions efficiently.

Best Time to Buy and Sell Stock II

30 m

Master the Best Time to Buy and Sell Stock II pattern to solve top interview questions efficiently.

Gas Station

30 m

Master the Gas Station pattern to solve top interview questions efficiently.

Jump Game

30 m

Master the Jump Game pattern to solve top interview questions efficiently.

Jump Game II

30 m

Master the Jump Game II pattern to solve top interview questions efficiently.

Task Scheduler

30 m

Master the Task Scheduler pattern to solve top interview questions efficiently.

Partition Labels

30 m

Master the Partition Labels pattern to solve top interview questions efficiently.

Valid Parenthesis String

30 m

Master the Valid Parenthesis String pattern to solve top interview questions efficiently.

Hand of Straights

30 m

Master the Hand of Straights pattern to solve top interview questions efficiently.

Integer to Roman

30 m

Master the Integer to Roman pattern to solve top interview questions efficiently.

Trie

Introduction to Tries (Prefix Trees)

30 m

Master the Introduction to Tries (Prefix Trees) pattern to solve top interview questions efficiently.

Implement Trie (Prefix Tree)

30 m

Master the Implement Trie (Prefix Tree) pattern to solve top interview questions efficiently.

Design Add and Search Words

30 m

Master the Design Add and Search Words pattern to solve top interview questions efficiently.

Word Search II

30 m

Master the Word Search II pattern to solve top interview questions efficiently.

Prefix Matching

30 m

Master the Prefix Matching pattern to solve top interview questions efficiently.

Prefix Sum

Introduction to Prefix Sums

30 m

Master the Introduction to Prefix Sums pattern to solve top interview questions efficiently.

Count Vowels in Ranges

30 m

Master the Count Vowels in Ranges pattern to solve top interview questions efficiently.

Product of Array Except Self

30 m

Master the Product of Array Except Self pattern to solve top interview questions efficiently.

Subarray Sum Equals K

30 m

Master the Subarray Sum Equals K pattern to solve top interview questions efficiently.

Matrices

Spiral Matrix

30 m

Master the Spiral Matrix pattern to solve top interview questions efficiently.

Rotate Image

30 m

Master the Rotate Image pattern to solve top interview questions efficiently.

Set Matrix Zeroes

30 m

Master the Set Matrix Zeroes pattern to solve top interview questions efficiently.

Bit Manipulation

Number of 1 Bits

30 m

Master the Number of 1 Bits pattern to solve top interview questions efficiently.

Single Number

30 m

Master the Single Number pattern to solve top interview questions efficiently.

Missing Number

30 m

Master the Missing Number pattern to solve top interview questions efficiently.

Reverse Bits

30 m

Master the Reverse Bits pattern to solve top interview questions efficiently.

Sum of Two Integers

30 m

Master the Sum of Two Integers pattern to solve top interview questions efficiently.

Pow(x, n)

30 m

Master the Pow(x, n) pattern to solve top interview questions efficiently.

Reverse Integer

30 m

Master the Reverse Integer pattern to solve top interview questions efficiently.

What You Will Learn

Two Pointers

Hash Map

Sliding Window

Intervals

Linked List

Stack

Binary Search

Heap / Priority Queue

Depth-First Search

Breadth-First Search

Backtracking

Graphs (Topological Sort)

Dynamic Programming

Greedy Algorithms

Trie

Prefix Sum

Matrices

Bit Manipulation

Skills You Will Gain

Pattern RecognitionAlgorithmsData StructuresProblem Deconstruction

Overview

The Ultimate Guide to Cracking Coding Interviews.

Stop solving random LeetCode problems. Learn the underlying patterns most interview questions are built on.

This course breaks down complex algorithms into digestible patterns like Sliding Window, Two Pointers, and Dynamic Programming. Once you know them, a problem you have never seen stops being a blank page: you can tell which pattern it calls for.

What's Included:

Deep dives into 18 essential coding patterns
Visual explanations for complex concepts
Curated selection of high-yield problems