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4.7
Intermediate
85h
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Grokking the Coding Interview Patterns
Grokking the Coding Interview is the best course that saves countless hours wasted in grinding LeetCode. Master 28 coding patterns; unlock all LeetCode problems. Developed by and for MAANG engineers.
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Content
1.
Getting Started
2 Lessons
Get familiar with coding design patterns to excel in coding interviews.
2.
Two Pointers
38 Lessons
Walk through the fundamentals of the two-pointers technique for solving various coding problems.
Introduction to Two PointersValid PalindromeSolution: Valid Palindrome3SumSolution: 3SumRemove Nth Node from End of ListSolution: Remove Nth Node from End of ListSort ColorsSolution: Sort ColorsReverse Words in a StringSolution: Reverse Words in a StringValid Word AbbreviationSolution: Valid Word AbbreviationStrobogrammatic NumberSolution: Strobogrammatic NumberMinimum Number of Moves to Make PalindromeSolution: Minimum Number of Moves to Make PalindromeNext Palindrome Using Same DigitsSolution: Next Palindrome Using Same DigitsLowest Common Ancestor of a Binary Tree IIISolution: Lowest Common Ancestor of a Binary Tree IIICount Pairs Whose Sum is Less than TargetSolution: Count Pairs Whose Sum is Less than TargetCount Subarrays With Fixed BoundsSolution: Count Subarrays With Fixed BoundsGet the Maximum ScoreSolution: Get the Maximum ScoreFind the Lexicographically Largest String From Box IISolution: Find the Lexicographically Largest String From Box IICreate Maximum NumberSolution: Create Maximum NumberAppend Characters to String to Make SubsequenceSolution: Append Characters to String to Make SubsequenceSquares of a Sorted ArraySolution: Squares of a Sorted ArrayReverse StringSolution: Reverse StringValid Palindrome II
3.
Fast and Slow Pointers
21 Lessons
Go hands-on with fast and slow pointers to detect cycles, middle nodes, and duplicates.
4.
Sliding Window
31 Lessons
Grasp the fundamentals of efficiently solving subarray and substring problems using the sliding window technique.
5.
Intervals
18 Lessons
Map out the steps for solving overlapping interval problems in various contexts.
6.
In-Place Manipulation of a Linked List
26 Lessons
Follow efficient in-place linked list manipulation techniques for various node reordering and removal tasks.
7.
Heaps
25 Lessons
Build on efficient data structures and algorithms using heaps for dynamic data processing.
8.
K-way merge
15 Lessons
Step through the key techniques and algorithms for efficiently merging sorted data structures.
9.
Top K Elements
37 Lessons
Unpack the core of identifying top K elements using heaps in various scenarios.
10.
Modified Binary Search
34 Lessons
Break apart various search techniques using modified binary search for different problem scenarios.
11.
Subsets
14 Lessons
Grasp the fundamentals of subsets, permutations, letter combinations, balanced parentheses, and k-sum subsets.
12.
Greedy Techniques
31 Lessons
Dig deeper into the application and optimization of greedy algorithms across various problem scenarios.
13.
Backtracking
33 Lessons
See how it works to solve problems using backtracking, from N-Queens to Sudoku.
14.
Dynamic Programming
40 Lessons
Master dynamic programming concepts, optimize solutions using memoization and tabulation for complex problems.
15.
Cyclic Sort
12 Lessons
Break down cyclic sort for efficient in-place sorting and finding missing, duplicate integers.
16.
Topological Sort
18 Lessons
Discover the logic behind topological sorting to solve dependency-based challenges and tasks.
17.
Sort and Search
31 Lessons
Solve problems by organizing data through sorting and applying binary search, two-pointer, and sliding window for efficient solutions.
18.
Matrices
37 Lessons
Examine matrix operations, problem-solving methods, real-world applications, and algorithmic solutions for matrix traversal and transformations.
19.
Stacks
28 Lessons
Grasp the fundamentals of stacks, their operations, and applications in various problems.
20.
Graphs
31 Lessons
Take a closer look at graph theory, algorithms, traversals, and solving various graph-related problems.
21.
Tree Depth-First Search
35 Lessons
See how it works to explore, transform, analyze, and optimize various binary tree operations.
22.
Tree Breadth-First Search
24 Lessons
Build on performing efficient tree traversals with BFS approaches for various problems.
23.
Trie
30 Lessons
Step through efficiently managing strings with trie data structures and practical applications.
24.
Hash Maps
40 Lessons
Discover the logic behind designing hash maps, solving data structure challenges, and optimal algorithms.
25.
Knowing What to Track
32 Lessons
Examine efficient data tracking patterns and solutions for frequency-related problems.
26.
Union Find
28 Lessons
Grasp the fundamentals of the union-find algorithm and its applications in various graph problems.
27.
Custom Data Structures
32 Lessons
Dig into custom data structures for efficient, scalable solutions in complex coding challenges.
28.
Bitwise Manipulation
32 Lessons
Simplify complex topics in bitwise manipulation for efficient problem-solving and optimization.
29.
Math and Geometry
37 Lessons
Explore mathematical and geometric coding challenges, focusing on efficiency and problem-solving techniques.
30.
Challenge Yourself
40 Lessons
Master the steps to tackle diverse coding problems, enhancing problem-solving skills and strategic thinking.
31.
Conclusion
1 Lessons
Learn how to use the course's concepts for continued success in coding interviews.
Certificate of Completion
Showcase your accomplishment by sharing your certificate of completion.
Developed by MAANG Engineers
Trusted by 2.8 million developers working at companies
"Great content, both theoretical and in terms of the selected problems. I do feel much stronger now in tackling various problems and utilizing a diverse set of patterns."
Vlad
Learner
"The flexibility to learn at my own pace, combined with a supportive community, kept me motivated and on track."
Abayomi O
Learner
"One of my key goals was to enhance my problem-solving skills for coding interviews. Educative's Grokking the Coding Interview course was instrumental"
Abayomi O
Learner
"Educative has been a game-changer in my learning journey. I particularly appreciated the in-browser coding environments, which allowed me to practice without any setup hassles."
Abayomi O
Learner
"Overall, it is excellent, I like the explanations very much and they are very detailed with picture animations."
John Tang
Learner
"Your explanations are great. The diagrams help understand the concepts easily."
Anant Rao
Learner
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