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Grokking the Coding Interview Patterns

Grokking the Coding Interview Patterns

Master 24 essential coding patterns to solve thousands of LeetCode-style questions. Efficiently prepare for coding interviews with the ultimate course created by FAANG engineers.

Intermediate

533 Lessons

85h

Certificate of Completion

Master 24 essential coding patterns to solve thousands of LeetCode-style questions. Efficiently prepare for coding interviews with the ultimate course created by FAANG engineers.

AI-POWERED

Code Feedback
Mock Interview
Explanations

AI-POWERED

Code Feedback
Mock Interview

This course includes

341 Playgrounds
281 Challenges
282 Quizzes

This course includes

341 Playgrounds
281 Challenges
282 Quizzes
Course Overview
What You'll Learn
Course Content

Course Overview

With thousands of potential questions to account for, preparing for the coding interview can feel like an impossible challenge. Yet with a strategic approach, coding interview prep doesn’t have to take more than a few weeks. Stop drilling endless sets of practice problems, and prepare more efficiently by learning coding interview patterns. This course teaches you the underlying patterns behind common coding interview questions. By learning these essential patterns, you will be able to unpack and answer any...Show More

TAKEAWAY SKILLS

Java

Programming Language

Prepare For Interview

Coding Interview Patterns

Data Structures

Python

What You'll Learn

Understand the essential patterns behind common coding interview questions — without having to drill endless problem sets

Identify the underlying pattern of each interview question by assessing the problem statement (and learn the tricks required to solve it)

Practice your skills in a hands-on, setup-free coding environment

Learn to efficiently evaluate the tradeoffs between time and space complexity in different solutions

Develop a flexible conceptual framework for solving any question, by connecting problem characteristics, solution techniques, and coding design patterns

What You'll Learn

Understand the essential patterns behind common coding interview questions — without having to drill endless problem sets

Show more

Course Content

1.

Getting Started

Get familiar with coding design patterns to excel in coding interviews.
Course Overview
Who Should Take This Course
2.

Two Pointers

Walk through the fundamentals of the two-pointers technique for solving various coding problems.
Introduction to Two Pointers
Valid Palindrome
Solution: Valid Palindrome
3Sum
Solution: 3Sum
Remove Nth Node from End of List
Solution: Remove Nth Node from End of List
Sort Colors
Solution: Sort Colors
Reverse Words in a String
Solution: Reverse Words in a String
Valid Word Abbreviation
Solution: Valid Word Abbreviation
Strobogrammatic Number
Solution: Strobogrammatic Number
Minimum Number of Moves to Make Palindrome
Solution: Minimum Number of Moves to Make Palindrome
Next Palindrome Using Same Digits
Solution: Next Palindrome Using Same Digits
Lowest Common Ancestor of a Binary Tree III
Solution: Lowest Common Ancestor of a Binary Tree III
Valid Palindrome II
3.

Fast and Slow Pointers

Go hands-on with fast and slow pointers to detect cycles, middle nodes, and duplicates.
Introduction to Fast and Slow Pointers
Happy Number
Solution: Happy Number
Linked List Cycle
Solution: Linked List Cycle
Middle of the Linked List
Solution: Middle of the Linked List
Circular Array Loop
Solution: Circular Array Loop
Find the Duplicate Number
Solution: Find the Duplicate Number
Palindrome Linked List
Solution: Palindrome Linked List
Maximum Twin Sum of a Linked List
Solution: Maximum Twin Sum of a Linked List
Split a Circular Linked List
Solution: Split a Circular Linked List
4.

Sliding Window

Grasp the fundamentals of efficiently solving subarray and substring problems using the sliding window technique.
Introduction to Sliding Window
Repeated DNA Sequences
Solution: Repeated DNA Sequences
Sliding Window Maximum
Solution: Sliding Window Maximum
Minimum Window Subsequence
Solution: Minimum Window Subsequence
Longest Repeating Character Replacement
Solution: Longest Repeating Character Replacement
Minimum Window Substring
Solution: Minimum Window Substring
Longest Substring without Repeating Characters
Solution: Longest Substring without Repeating Characters
Minimum Size Subarray Sum
Solution: Minimum Size Subarray Sum
Maximum Average Subarray I
Solution: Maximum Average Subarray I
Diet Plan Performance
Solution: Diet Plan Performance
Best Time to Buy and Sell Stock
5.

Merge Intervals

Map out the steps for solving overlapping interval problems in various contexts.
Introduction to Merge Intervals
Merge Intervals
Solution: Merge Intervals
Insert Interval
Solution: Insert Interval
Interval List Intersections
Solution: Interval List Intersections
Employee Free Time
Solution: Employee Free Time
Task Scheduler
Solution: Task Scheduler
Meeting Rooms II
6.

In-Place Manipulation of a Linked List

16 Lessons

Follow efficient in-place linked list manipulation techniques for various node reordering and removal tasks.
7.

Two Heaps

15 Lessons

Build on efficient data structures and algorithms using two heaps for dynamic data processing.
8.

K-way merge

11 Lessons

Step through the key techniques and algorithms for efficiently merging sorted data structures.
9.

Top K Elements

17 Lessons

Unpack the core of identifying top K elements using heaps in various scenarios.
10.

Modified Binary Search

18 Lessons

Break apart various search techniques using modified binary search for different problem scenarios.
11.

Subsets

10 Lessons

Grasp the fundamentals of subsets, permutations, letter combinations, balanced parentheses, and k-sum subsets.
12.

Greedy Techniques

20 Lessons

Dig deeper into the application and optimization of greedy algorithms across various problem scenarios.
13.

Backtracking

17 Lessons

See how it works to solve problems using backtracking, from N-Queens to Sudoku.
14.

Dynamic Programming

32 Lessons

Master dynamic programming concepts, optimize solutions using memoization and tabulation for complex problems.
15.

Cyclic Sort

8 Lessons

Break down cyclic sort for efficient in-place sorting and finding missing, duplicate integers.
16.

Topological Sort

16 Lessons

Discover the logic behind topological sorting to solve dependency-based challenges and tasks.
17.

Matrices

17 Lessons

Examine matrix operations, problem-solving methods, real-world applications, and algorithmic solutions for matrix traversal and transformations.
18.

Stacks

18 Lessons

Grasp the fundamentals of stacks, their operations, and applications in various problems.
19.

Graphs

17 Lessons

Take a closer look at graph theory, algorithms, traversals, and solving various graph-related problems.
20.

Tree Depth-First Search

31 Lessons

See how it works to explore, transform, analyze, and optimize various binary tree operations.
21.

Tree Breadth-First Search

14 Lessons

Build on performing efficient tree traversals with BFS approaches for various problems.
22.

Trie

18 Lessons

Step through efficiently managing strings with trie data structures and practical applications.
23.

Hash Maps

32 Lessons

Discover the logic behind designing hash maps, solving data structure challenges, and optimal algorithms.
24.

Knowing What to Track

24 Lessons

Examine efficient data tracking patterns and solutions for frequency-related problems.
25.

Union Find

22 Lessons

Grasp the fundamentals of the union-find algorithm and its applications in various graph problems.
26.

Custom Data Structures

24 Lessons

Dig into custom data structures for efficient, scalable solutions in complex coding challenges.
27.

Bitwise Manipulation

22 Lessons

Simplify complex topics in bitwise manipulation for efficient problem-solving and optimization.
28.

Challenge Yourself

40 Lessons

Master the steps to tackle diverse coding problems, enhancing problem-solving skills and strategic thinking.
29.

Conclusion

1 Lesson

Learn how to use the course's concepts for continued success in coding interviews.

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Frequently Asked Questions

Is Java good for coding interviews?

Yes, Java is excellent for coding interviews. It’s a popular and widely used programming language in the industry and effectively supports core data structures and algorithms. Java’s strong typing and object-oriented features help write clear, maintainable code, making it a solid choice for technical interviews.

How to crack Java coding interviews?

How can I prepare for a Java interview fast?

What are the coding patterns?

Which coding platform is best for interviews?