Udemy - 50 days of LeetCode in python Algorithms coding interview (12.2024)

Creation Time	Aug. 21, 2025, 9:29 p.m.
Last Access Time	Feb. 2, 2026, 5:50 p.m.
File Size	3.8 GB
Keywords	12 coding python of - days 50 2024 Algorithms in interview Udemy LeetCode
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Total Files	660
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30. Microsoft Backtracking question Word Search (Medium)/01. Explanation - Word Search - Medium #79.mp4 55.6 MB
61. Algorithm And Question Dijkstra's (OPTIONAL)/01. Dijkstra's Algorithm.mp4 50.0 MB
30. Microsoft Backtracking question Word Search (Medium)/02. Code - Word Search - Medium #79.mp4 46.4 MB
27. Google Linked list question Merge K sorted lists (Hard)/02. Code - Merge K Sorted Lists - Hard #23.mp4 43.3 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/07. Doubly linked lists insertion implementation.mp4 42.0 MB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/03. Binary Search tree creation and insertion implementation.mp4 41.0 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/08. Doubly linked list deletion implementation.mp4 39.4 MB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/03. Approach 2 Optimal approach.mp4 39.2 MB
52. Big O Notation (OPTIONAL)/03. Formalizing Big O.mp4 39.2 MB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/04. Pseudocode Implementation.mp4 37.7 MB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/05. BInary search tree deletion implementation.mp4 37.6 MB
37. Google Trees question Kth Smallest Element In a BST (Medium)/02. Optimized Solution Explanation- Kth Smallest Element in a BST - Medium #230.mp4 36.1 MB
48. Google Dynamic Programming Question Coin Change (Medium)/04. Bottom up approach explanation.mp4 35.9 MB
06. Amazon Array Question Longest substring without repeating characters (Medium)/03. Pseudocode walkthrough.mp4 34.8 MB
59. ALGORITHM Depth First Search (DFS) - OPTIONAL/01. Depth First Search (DFS).mp4 34.1 MB
48. Google Dynamic Programming Question Coin Change (Medium)/02. Intuition behind the problem.mp4 34.1 MB
51. Amazon Dynamic Programming Question Trapping Rain Water (Hard)/01. Explaining the problem.mp4 33.5 MB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/04. Binary search tree searching Implementation.mp4 33.1 MB
10. Amazon Math Question Count Primes/03. Approach 2 Optimal solution.mp4 32.7 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/06. Doubly linked lists creation implementation.mp4 31.8 MB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/03. Approach 2 Optimal Approach intuition.mp4 31.1 MB
61. Algorithm And Question Dijkstra's (OPTIONAL)/02. Explanation - network delay time - Medium #743.mp4 31.1 MB
61. Algorithm And Question Dijkstra's (OPTIONAL)/03. Code - network delay time - Medium #743.mp4 31.0 MB
60. ALGORITHM Breadth First Search (BFS) - OPTIONAL/01. Breadth First Search (BFS).mp4 30.8 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/03. Singly linked list insertion implementation.mp4 29.5 MB
15. Google Hash Tables Dictionaries question Contains Duplicate/01. Introduction to the problem and multiple approaches.mp4 29.3 MB
26. Linked list question Odd Even linked list (Medium)/02. Intuition - Odd Even Linked List.mp4 27.9 MB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/02. Intuition behind the problem.mp4 27.5 MB
55. DATA STRUCTURE Hash Tables (OPTIONAL)/03. Collision handling.mp4 27.4 MB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/04. Optimal solution explanation.mp4 26.8 MB
06. Amazon Array Question Longest substring without repeating characters (Medium)/02. Brute Force Intuition.mp4 26.7 MB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/03. Walkthrough over pseudocode.mp4 26.3 MB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/05. Walkthrough over pseudocode.mp4 26.3 MB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/03. Explanation - Minimum window substring - part 3.mp4 26.0 MB
02. Microsoft Array Question Container with most water (Medium)/04. Better Approach intuition.mp4 24.8 MB
17. Facebook Hash Tables Dictionaries question Group Anagrams (Medium)/01. Explanation - Group Anagrams - Medium #49.mp4 24.1 MB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/05. Pseudocode Walkthrough.mp4 24.0 MB
55. DATA STRUCTURE Hash Tables (OPTIONAL)/02. What are hash tables.mp4 23.9 MB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/03. Walkthrough - Letter Combinations of a Phone Number.mp4 23.6 MB
25. Linked list question Remove Nth node from end of list (Medium)/02. Intuition - Remove Nth Node From End of List.mp4 23.5 MB
48. Google Dynamic Programming Question Coin Change (Medium)/03. Pseudocode Implementation and optimisation.mp4 23.5 MB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/03. Walkthrough over pseudocode.mp4 23.0 MB
45. Google Dynamic Programming Question House Robber (Easy)/02. Intuition behind the problem.mp4 22.6 MB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/02. Intuition behind the problem.mp4 22.6 MB
55. DATA STRUCTURE Hash Tables (OPTIONAL)/04. Collision handling techniques comparison.mp4 22.4 MB
06. Amazon Array Question Longest substring without repeating characters (Medium)/04. Approach 2 Intuition.mp4 22.3 MB
58. DATA STRUCTURE Graphs (OPTIONAL)/03. Directed Graph Implementation - Adjacency Matrix.mp4 22.2 MB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/02. Intuition behind the problem.mp4 21.9 MB
62. DATA STRUCTURE Trees (OPTIONAL)/01. What are trees.mp4 21.9 MB
52. Big O Notation (OPTIONAL)/04. Big O Simplification.mp4 21.7 MB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/02. What is a binary search tree (BST).mp4 21.4 MB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/04. Approach 2 Optimal Approach Explanation.mp4 21.3 MB
54. TECHNIQUE Sliding Window (OPTIONAL)/01. Sliding Window Technique.mp4 21.1 MB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/01. Intuition behind the problem.mp4 21.1 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/02. Singly linked list creation implementation.mp4 21.1 MB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/02. Intuition - Letter Combinations of a Phone Number.mp4 20.9 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/04. Singly linked list deletion implementation.mp4 20.5 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/02. Intuition behind the problem.mp4 20.5 MB
33. Microsoft Trees question Symmetric Trees (Easy)/03. Walkthrough over pseudocode.mp4 20.4 MB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/01. Explaining the Serialisation.mp4 19.3 MB
24. Adobe Linked list question Add two numbers (Medium)/02. Intuition - Add Two Numbers.mp4 19.2 MB
40. Google Stack Question Min Stack (Easy)/03. Optimal solution explanation.mp4 19.0 MB
35. Amazon Trees question Path Sum (Easy)/03. Walkthrough over pseudocode.mp4 18.9 MB
58. DATA STRUCTURE Graphs (OPTIONAL)/05. Undirected Graph Implementation - Adjacency Matrix.mp4 18.9 MB
08. Google Array question first bad version (Easy)/02. Optimal Solution Intuition.mp4 18.4 MB
52. Big O Notation (OPTIONAL)/05. Space complexity.mp4 18.3 MB
33. Microsoft Trees question Symmetric Trees (Easy)/02. Intuition behind the problem.mp4 18.0 MB
41. Amazon Stack Question Valid Parenthesis (Easy)/02. Intuition behind this problem.mp4 17.9 MB
59. ALGORITHM Depth First Search (DFS) - OPTIONAL/02. DFS implementation.mp4 17.9 MB
05. Facebook Array Question Move Zeroes (Easy)/01. Brute force Intuition.mp4 17.8 MB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/06. Implementing the code.mp4 17.7 MB
52. Big O Notation (OPTIONAL)/06. Logarithms.mp4 17.6 MB
11. Airbnb Math Question Single Number/05. Approach 3 optimal approach.mp4 17.6 MB
16. Google Hash Tables Dictionaries question Majority Element/05. Approach 3 Intuition - Optimal solution.mp4 17.4 MB
42. Apple Stack Question Binary Tree Level Order Traversal (Medium)/01. Explaining the problem.mp4 17.4 MB
08. Google Array question first bad version (Easy)/01. Introduction To The Problem And Brute Force Approach.mp4 17.4 MB
27. Google Linked list question Merge K sorted lists (Hard)/01. Explanation - Merge K Sorted Lists - Hard #23.mp4 17.3 MB
10. Amazon Math Question Count Primes/04. Pseudocode Walkthrough For Optimal Approach.mp4 17.1 MB
58. DATA STRUCTURE Graphs (OPTIONAL)/04. Undirected Graph Implementation - Adjacency List.mp4 17.0 MB
34. Google Trees question Maximum Depth of a Binary Tree (Easy)/03. Walkthrough over pseudocode.mp4 17.0 MB
53. ALGORITHM Binary Search (OPTIONAL)/01. Binary Search Algorithm.mp4 16.9 MB
60. ALGORITHM Breadth First Search (BFS) - OPTIONAL/02. BFS Implementation.mp4 16.8 MB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/05. Pseudocode Walkthrough.mp4 16.7 MB
62. DATA STRUCTURE Trees (OPTIONAL)/04. In-order traversal implementation.mp4 16.5 MB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/01. Approach 1 Introduction to the problem and brute force approach.mp4 16.3 MB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/03. Optimising the previous solution.mp4 16.3 MB
28. Facebook Backtracking question Subsets (Medium)/01. Explanation - Subsets.mp4 16.0 MB
40. Google Stack Question Min Stack (Easy)/01. Brute force explanation - Min Stack - Easy #155.mp4 16.0 MB
58. DATA STRUCTURE Graphs (OPTIONAL)/02. Directed Graph Implementation - Adjacency List.mp4 15.9 MB
31. Uber Backtracking question Combination Sum (Medium)/03. Walkthrough over the pseudocode.mp4 15.8 MB
08. Google Array question first bad version (Easy)/04. Implementing the code.mp4 15.7 MB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/03. Explaining the Deserialisation.mp4 15.6 MB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/03. Walkthrough over pseudocode.mp4 15.5 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/01. Explaining the problem.mp4 15.5 MB
05. Facebook Array Question Move Zeroes (Easy)/03. Better Approach Intuition.mp4 15.5 MB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/03. Walkthrough over pseudocode.mp4 15.4 MB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/05. Pseudocode walkthrough part 2.mp4 15.3 MB
28. Facebook Backtracking question Subsets (Medium)/02. Cascading solution explanation - Subsets.mp4 15.3 MB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/06. Implementing the code.mp4 15.2 MB
45. Google Dynamic Programming Question House Robber (Easy)/01. Explanation behind the problem.mp4 15.2 MB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/05. Coding the solution.mp4 14.8 MB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/04. Pseudocode walkthrough part 1.mp4 14.7 MB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/02. Initial Intuition behind the problem.mp4 14.6 MB
31. Uber Backtracking question Combination Sum (Medium)/02. Intuition behind the problem.mp4 14.5 MB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/04. Walkthrough over pseudocode (Deserialisation).mp4 14.5 MB
34. Google Trees question Maximum Depth of a Binary Tree (Easy)/02. Intuition and pseudocode implementation.mp4 14.4 MB
41. Amazon Stack Question Valid Parenthesis (Easy)/01. Explaining the problem.mp4 14.3 MB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/06. Code - Minimum Window Substring - Hard #76.mp4 14.2 MB
02. Microsoft Array Question Container with most water (Medium)/03. pseudocode walkthrough.mp4 14.0 MB
02. Microsoft Array Question Container with most water (Medium)/05. Approach 2 Pseudocode walkthrough.mp4 13.8 MB
24. Adobe Linked list question Add two numbers (Medium)/05. Code - Add Two Numbers.mp4 13.8 MB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/01. Introduction to the problem.mp4 13.7 MB
04. Google Array Question Boats to save people (Medium)/01. Problem Introduction.mp4 13.6 MB
10. Amazon Math Question Count Primes/02. Pseudocode Walkthrough For Brute Force Approach.mp4 13.5 MB
44. Stack Question Binary Tree Postorder Traversal (Medium)/01. Explanation of the problem.mp4 13.4 MB
04. Google Array Question Boats to save people (Medium)/03. Pseudocode Walkthrough.mp4 13.3 MB
37. Google Trees question Kth Smallest Element In a BST (Medium)/01. Explaining the problem.mp4 13.0 MB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/04. Walkthrough over pseudocode.mp4 13.0 MB
31. Uber Backtracking question Combination Sum (Medium)/01. Explanation the problem.mp4 13.0 MB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/04. Optimal solution explanation.mp4 12.8 MB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/01. Brute force Explanation.mp4 12.8 MB
04. Google Array Question Boats to save people (Medium)/02. How to intuitively think about this problem.mp4 12.8 MB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/04. Pseudocode implementation.mp4 12.8 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/03. Implementation the pseudocode.mp4 12.8 MB
28. Facebook Backtracking question Subsets (Medium)/04. Backtracking Approach 2 explanation - Subsets.mp4 12.5 MB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/03. Pseudocode implementation.mp4 12.4 MB
22. Amazon Linked list question Linked list cycle (Medium)/02. Intuition - Linked List Cycle - Easy #141.mp4 12.3 MB
13. Facebook Math Question Add Binary (Easy)/04. Pseudocode Walkthrough.mp4 12.0 MB
16. Google Hash Tables Dictionaries question Majority Element/01. Approach 1 Intuition.mp4 12.0 MB
53. ALGORITHM Binary Search (OPTIONAL)/02. Binary Search Implementation.mp4 11.9 MB
06. Amazon Array Question Longest substring without repeating characters (Medium)/05. Approach 2 pseudocode walkthrough.mp4 11.9 MB
11. Airbnb Math Question Single Number/01. Introduction to the problem and brute force approach.mp4 11.9 MB
62. DATA STRUCTURE Trees (OPTIONAL)/06. Pre-order traversal implementation.mp4 11.8 MB
24. Adobe Linked list question Add two numbers (Medium)/04. Walkthrough - Add Two Numbers - Medium #2.mp4 11.8 MB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/06. Implementing the code.mp4 11.8 MB
52. Big O Notation (OPTIONAL)/02. Big O Exercises.mp4 11.7 MB
09. Microsoft Math Question Missing Number (Easy-ish)/06. Approach 3 Optimal Approach.mp4 11.7 MB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/02. InputOuput for the problem.mp4 11.7 MB
57. DATA STRUCTURES Stacks and Queues (OPTIONAL)/01. What are stacks.mp4 11.6 MB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/05. Coding the solution.mp4 11.5 MB
57. DATA STRUCTURES Stacks and Queues (OPTIONAL)/03. What are Queues.mp4 11.4 MB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/02. Explanation - Minimum window substring - part 2.mp4 11.4 MB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/05. Pseudocode Walkthrough.mp4 11.4 MB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/02. Brute Force Pseudocode Walkthrough.mp4 11.3 MB
49. Bloomberg Dynamic Programming Question Unique Paths (Medium)/01. Explaining the problem.mp4 11.1 MB
10. Amazon Math Question Count Primes/01. Problem Introduction And Brute Force Explanation.mp4 11.1 MB
23. Microsoft Linked list question Reverse linked list (Easy)/03. pseudocode Implementation & Walkthrough - Reverse Linked List.mp4 11.1 MB
11. Airbnb Math Question Single Number/03. Approach 2 better Approach.mp4 11.1 MB
62. DATA STRUCTURE Trees (OPTIONAL)/08. Post-order traversal implementation.mp4 11.0 MB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/03. Walkthrough - Merge Two Sorted Lists - Easy #21.mp4 11.0 MB
54. TECHNIQUE Sliding Window (OPTIONAL)/02. Sliding Window Implementation.mp4 11.0 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/01. What are Linked Lists.mp4 11.0 MB
13. Facebook Math Question Add Binary (Easy)/01. Introduction to the problem.mp4 10.8 MB
41. Amazon Stack Question Valid Parenthesis (Easy)/04. Walkthrough over the pseudocode.mp4 10.8 MB
45. Google Dynamic Programming Question House Robber (Easy)/03. 2nd Approach Bottom Up dynamic programming.mp4 10.7 MB
03. Google Array Question Valid mountain array (Easy)/02. How to think about this problem.mp4 10.6 MB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/02. Brute force Pseudocode walkthrough.mp4 10.6 MB
25. Linked list question Remove Nth node from end of list (Medium)/04. Approach 2 Explanation - Remove Nth Node From End of List.mp4 10.5 MB
16. Google Hash Tables Dictionaries question Majority Element/06. Approach 3 Walkthrough - Optimal solution.mp4 10.4 MB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/02. Intuition behind the problem.mp4 10.2 MB
16. Google Hash Tables Dictionaries question Majority Element/03. Approach 2 - Majority Element Intuition.mp4 10.2 MB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/01. Introduction to the problem and brute force approach.mp4 10.2 MB
48. Google Dynamic Programming Question Coin Change (Medium)/05. Implementing the code.mp4 10.1 MB
09. Microsoft Math Question Missing Number (Easy-ish)/03. Approach 2 A Better Approach Explanation.mp4 10.0 MB
24. Adobe Linked list question Add two numbers (Medium)/01. Explanation - Add Two Numbers.mp4 9.9 MB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/03. Pseudocode Walkthrough.mp4 9.8 MB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/03. Intuition behind the problem.mp4 9.7 MB
51. Amazon Dynamic Programming Question Trapping Rain Water (Hard)/02. Coding the implementation.mp4 9.7 MB
58. DATA STRUCTURE Graphs (OPTIONAL)/01. What are Graphs.mp4 9.6 MB
31. Uber Backtracking question Combination Sum (Medium)/04. Implementing the code.mp4 9.6 MB
16. Google Hash Tables Dictionaries question Majority Element/02. Approach 1 Pseudocode Walkthrough.mp4 9.6 MB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/01. Explanation - Minimum Window Substring - part 1.mp4 9.6 MB
42. Apple Stack Question Binary Tree Level Order Traversal (Medium)/02. Walkthrough over pseudocode.mp4 9.5 MB
62. DATA STRUCTURE Trees (OPTIONAL)/02. Trees Implementation.mp4 9.4 MB
26. Linked list question Odd Even linked list (Medium)/04. Walkthrough - Odd Even Linked List.mp4 9.4 MB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/05. Optimal solution pseudocode walkthrough.mp4 9.3 MB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/02. Walkthrough over pseudocode (Serialisation).mp4 9.3 MB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/04. Implementing the code.mp4 9.1 MB
40. Google Stack Question Min Stack (Easy)/04. Coding the solution.mp4 9.0 MB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/02. Implementation - Merge Two Sorted Lists - Easy #21.mp4 8.9 MB
23. Microsoft Linked list question Reverse linked list (Easy)/02. Intuition - Reverse Linked List.mp4 8.8 MB
15. Google Hash Tables Dictionaries question Contains Duplicate/02. Optimal Approach.mp4 8.8 MB
49. Bloomberg Dynamic Programming Question Unique Paths (Medium)/02. Pseudocode Implementation and walkthrough.mp4 8.8 MB
48. Google Dynamic Programming Question Coin Change (Medium)/01. Explaining the problem.mp4 8.7 MB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/04. Pseudocode Implementation.mp4 8.5 MB
02. Microsoft Array Question Container with most water (Medium)/01. Introduction to the problem.mp4 8.5 MB
13. Facebook Math Question Add Binary (Easy)/05. Implementing the code.mp4 8.4 MB
40. Google Stack Question Min Stack (Easy)/02. Walkthrough over pseudocode.mp4 8.3 MB
35. Amazon Trees question Path Sum (Easy)/02. Intuition behind the problem.mp4 8.2 MB
45. Google Dynamic Programming Question House Robber (Easy)/04. Walkthrough behind pseudocode.mp4 8.2 MB
03. Google Array Question Valid mountain array (Easy)/03. Pseudocode Walkthrough.mp4 7.9 MB
52. Big O Notation (OPTIONAL)/01. Big O Introduction.mp4 7.9 MB
06. Amazon Array Question Longest substring without repeating characters (Medium)/06. Implementing the code.mp4 7.8 MB
35. Amazon Trees question Path Sum (Easy)/04. Coding the solution.mp4 7.7 MB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/01. Explanation - Merge Two Sorted Lists - Easy #21.mp4 7.7 MB
12. Amazon Math Question Robot return to origin (Easy)/01. Explaining the problem.mp4 7.6 MB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/01. Explanation - Letter Combinations of a Phone Number.mp4 7.6 MB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/01. Explanation behind the problem.mp4 7.3 MB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/01. Explaining the problem.mp4 7.3 MB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/04. Implementing the code.mp4 7.3 MB
35. Amazon Trees question Path Sum (Easy)/01. Explaining the problem.mp4 7.3 MB
10. Amazon Math Question Count Primes/05. Code Implementation.mp4 7.2 MB
04. Google Array Question Boats to save people (Medium)/04. Implementing the code.mp4 7.2 MB
09. Microsoft Math Question Missing Number (Easy-ish)/02. Approach 1 Brute Force Approach.mp4 7.2 MB
25. Linked list question Remove Nth node from end of list (Medium)/06. Code - Remove Nth Node From End of List.mp4 7.0 MB
28. Facebook Backtracking question Subsets (Medium)/05. Implementing the code.mp4 7.0 MB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/04. Coding the solution.mp4 7.0 MB
41. Amazon Stack Question Valid Parenthesis (Easy)/03. Pseudocode Implementation.mp4 7.0 MB
05. Facebook Array Question Move Zeroes (Easy)/02. Brute force pseudocode walkthrough.mp4 6.9 MB
45. Google Dynamic Programming Question House Robber (Easy)/05. Implementing the code.mp4 6.9 MB
25. Linked list question Remove Nth node from end of list (Medium)/03. Walkthrough - Remove Nth Node From End of List.mp4 6.8 MB
09. Microsoft Math Question Missing Number (Easy-ish)/01. Introduction to the problem.mp4 6.6 MB
26. Linked list question Odd Even linked list (Medium)/05. Code - Odd Even Linked List.mp4 6.6 MB
17. Facebook Hash Tables Dictionaries question Group Anagrams (Medium)/02. Code - Group Anagrams - Medium #49.mp4 6.6 MB
24. Adobe Linked list question Add two numbers (Medium)/03. Implementation - Add Two Numbers.mp4 6.5 MB
03. Google Array Question Valid mountain array (Easy)/01. Introduction to the problem.mp4 6.5 MB
13. Facebook Math Question Add Binary (Easy)/03. Pseudocode Implementation.mp4 6.5 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/05. Bottom up approach walkthrough - Climbing Stairs - Easy #70.mp4 6.4 MB
26. Linked list question Odd Even linked list (Medium)/01. Explanation - Odd Even Linked List.mp4 6.3 MB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/04. Code - Letter Combinations of a Phone Number.mp4 6.2 MB
41. Amazon Stack Question Valid Parenthesis (Easy)/05. Code - Valid Parenthesis - Easy #20.mp4 6.2 MB
23. Microsoft Linked list question Reverse linked list (Easy)/04. Implementing the code - Reverse Linked List.mp4 6.2 MB
28. Facebook Backtracking question Subsets (Medium)/03. Cascading solution walkthrough - Subsets.mp4 6.2 MB
57. DATA STRUCTURES Stacks and Queues (OPTIONAL)/02. Stacks Implementation.mp4 6.2 MB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/06. Implementing the code.mp4 6.1 MB
25. Linked list question Remove Nth node from end of list (Medium)/05. Approach 2 Walkthrough - Remove Nth Node From End of List - Medium #19.mp4 6.1 MB
33. Microsoft Trees question Symmetric Trees (Easy)/04. Implementing the code.mp4 6.1 MB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/04. Code - Merge Two Sorted Lists - Easy #21.mp4 6.1 MB
44. Stack Question Binary Tree Postorder Traversal (Medium)/02. Implementing the code.mp4 6.0 MB
22. Amazon Linked list question Linked list cycle (Medium)/01. Explanation - Linked List Cycle - Easy #141.mp4 6.0 MB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/02. Pseudocode implementation.mp4 5.9 MB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/01. Explaining the problem.mp4 5.9 MB
62. DATA STRUCTURE Trees (OPTIONAL)/03. In-order Traversal Technique.mp4 5.9 MB
09. Microsoft Math Question Missing Number (Easy-ish)/04. PseudoCode Walkthrough For Approach 2.mp4 5.9 MB
62. DATA STRUCTURE Trees (OPTIONAL)/05. Pre-order Traversal Technique.mp4 5.8 MB
42. Apple Stack Question Binary Tree Level Order Traversal (Medium)/03. Implementing the code.mp4 5.8 MB
05. Facebook Array Question Move Zeroes (Easy)/05. Implementing the code.mp4 5.8 MB
33. Microsoft Trees question Symmetric Trees (Easy)/01. Explaining the problem.mp4 5.8 MB
05. Facebook Array Question Move Zeroes (Easy)/04. Better Approach Pseudocode walkthrough.mp4 5.7 MB
62. DATA STRUCTURE Trees (OPTIONAL)/07. Post-order Traversal Technique.mp4 5.7 MB
49. Bloomberg Dynamic Programming Question Unique Paths (Medium)/03. Implementing the code.mp4 5.7 MB
37. Google Trees question Kth Smallest Element In a BST (Medium)/03. Code - Kth Smallest Element in a BST - Medium #230.mp4 5.6 MB
11. Airbnb Math Question Single Number/04. Implementing the code.mp4 5.4 MB
02. Microsoft Array Question Container with most water (Medium)/02. Brute Force solution Intuition.mp4 5.3 MB
06. Amazon Array Question Longest substring without repeating characters (Medium)/01. Introduction to the problem.mp4 5.2 MB
34. Google Trees question Maximum Depth of a Binary Tree (Easy)/04. Implementing the code.mp4 5.1 MB
22. Amazon Linked list question Linked list cycle (Medium)/04. Code - Linked List Cycle - Easy #141.mp4 5.1 MB
09. Microsoft Math Question Missing Number (Easy-ish)/07. Implementing the optimal approach.mp4 5.1 MB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/06. Code Implementation.mp4 5.1 MB
03. Google Array Question Valid mountain array (Easy)/04. Implementing the code.mp4 5.0 MB
22. Amazon Linked list question Linked list cycle (Medium)/03. Walkthrough - Linked List Cycle - Easy #141.mp4 4.8 MB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/01. Explaining the problem.mp4 4.8 MB
02. Microsoft Array Question Container with most water (Medium)/06. Implementing the code.mp4 4.8 MB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/05. Coding the solution.mp4 4.8 MB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/01. Explanation of the problem.mp4 4.8 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/04. Bottom up approach explanation.mp4 4.7 MB
11. Airbnb Math Question Single Number/02. Pseudocode walkthrough for brute approach.mp4 4.6 MB
25. Linked list question Remove Nth node from end of list (Medium)/01. Explanation - Remove Nth Node From End of List.mp4 4.6 MB
13. Facebook Math Question Add Binary (Easy)/02. Examples of binary additions.mp4 4.5 MB
23. Microsoft Linked list question Reverse linked list (Easy)/01. Explanation - Reverse Linked List.mp4 4.5 MB
12. Amazon Math Question Robot return to origin (Easy)/02. Implementing the code.mp4 4.1 MB
08. Google Array question first bad version (Easy)/03. Optimal solution pseudocode walkthrough.mp4 4.1 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/06. Bottom up optimization - Climbing Stairs - Easy #70.mp4 4.0 MB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/02. Brute force Pseudocode Implementation.mp4 4.0 MB
15. Google Hash Tables Dictionaries question Contains Duplicate/03. Code Implementation.mp4 3.9 MB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/05. Doubly Linked Lists.mp4 3.7 MB
16. Google Hash Tables Dictionaries question Majority Element/07. Implementing Approach 3 (optimal approach).mp4 3.7 MB
26. Linked list question Odd Even linked list (Medium)/03. Implementation - Odd Even Linked List.mp4 3.7 MB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/07. Code - Climbing Stairs - Easy #70.mp4 3.6 MB
34. Google Trees question Maximum Depth of a Binary Tree (Easy)/01. Explaining the problem.mp4 3.3 MB
11. Airbnb Math Question Single Number/06. Implementing the optimal approach.mp4 3.2 MB
16. Google Hash Tables Dictionaries question Majority Element/04. Implementing Approach 2 code.mp4 3.1 MB
57. DATA STRUCTURES Stacks and Queues (OPTIONAL)/04. Queues Implementation.mp4 2.3 MB
30. Microsoft Backtracking question Word Search (Medium)/01. Explanation - Word Search - Medium #79.vtt 30.1 KB
51. Amazon Dynamic Programming Question Trapping Rain Water (Hard)/01. Explaining the problem.vtt 22.6 KB
06. Amazon Array Question Longest substring without repeating characters (Medium)/03. Pseudocode walkthrough.vtt 17.6 KB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/04. Optimal solution explanation.vtt 16.1 KB
17. Facebook Hash Tables Dictionaries question Group Anagrams (Medium)/01. Explanation - Group Anagrams - Medium #49.vtt 15.8 KB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/03. Explanation - Minimum window substring - part 3.vtt 15.4 KB
40. Google Stack Question Min Stack (Easy)/03. Optimal solution explanation.vtt 15.4 KB
48. Google Dynamic Programming Question Coin Change (Medium)/04. Bottom up approach explanation.vtt 14.8 KB
06. Amazon Array Question Longest substring without repeating characters (Medium)/02. Brute Force Intuition.vtt 14.1 KB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/03. Walkthrough over pseudocode.vtt 13.7 KB
06. Amazon Array Question Longest substring without repeating characters (Medium)/04. Approach 2 Intuition.vtt 13.4 KB
15. Google Hash Tables Dictionaries question Contains Duplicate/01. Introduction to the problem and multiple approaches.vtt 13.4 KB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/05. Walkthrough over pseudocode.vtt 13.4 KB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/03. Approach 2 Optimal approach.vtt 13.2 KB
45. Google Dynamic Programming Question House Robber (Easy)/02. Intuition behind the problem.vtt 13.0 KB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/03. Walkthrough over pseudocode.vtt 12.9 KB
16. Google Hash Tables Dictionaries question Majority Element/05. Approach 3 Intuition - Optimal solution.vtt 12.9 KB
37. Google Trees question Kth Smallest Element In a BST (Medium)/02. Optimized Solution Explanation- Kth Smallest Element in a BST - Medium #230.vtt 12.7 KB
40. Google Stack Question Min Stack (Easy)/01. Brute force explanation - Min Stack - Easy #155.vtt 12.3 KB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/03. Approach 2 Optimal Approach intuition.vtt 12.3 KB
62. DATA STRUCTURE Trees (OPTIONAL)/01. What are trees.vtt 12.3 KB
02. Microsoft Array Question Container with most water (Medium)/04. Better Approach intuition.vtt 12.2 KB
02. Microsoft Array Question Container with most water (Medium)/01. Introduction to the problem.vtt 12.1 KB
26. Linked list question Odd Even linked list (Medium)/02. Intuition - Odd Even Linked List.vtt 12.0 KB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/02. Intuition behind the problem.vtt 12.0 KB
48. Google Dynamic Programming Question Coin Change (Medium)/02. Intuition behind the problem.vtt 11.9 KB
61. Algorithm And Question Dijkstra's (OPTIONAL)/01. Dijkstra's Algorithm.vtt 11.9 KB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/02. Intuition - Letter Combinations of a Phone Number.vtt 11.7 KB
42. Apple Stack Question Binary Tree Level Order Traversal (Medium)/01. Explaining the problem.vtt 11.7 KB
44. Stack Question Binary Tree Postorder Traversal (Medium)/01. Explanation of the problem.vtt 11.5 KB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/05. Pseudocode Walkthrough.vtt 11.4 KB
33. Microsoft Trees question Symmetric Trees (Easy)/03. Walkthrough over pseudocode.vtt 11.4 KB
11. Airbnb Math Question Single Number/05. Approach 3 optimal approach.vtt 11.4 KB
54. TECHNIQUE Sliding Window (OPTIONAL)/01. Sliding Window Technique.vtt 11.2 KB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/02. Intuition behind the problem.vtt 10.8 KB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/01. Intuition behind the problem.vtt 10.6 KB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/03. Optimising the previous solution.vtt 10.5 KB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/02. Intuition behind the problem.vtt 10.4 KB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/01. Explaining the Serialisation.vtt 10.3 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/07. Doubly linked lists insertion implementation.vtt 10.2 KB
52. Big O Notation (OPTIONAL)/03. Formalizing Big O.vtt 10.1 KB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/04. Pseudocode Implementation.vtt 10.1 KB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/03. Walkthrough - Letter Combinations of a Phone Number.vtt 10.0 KB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/01. Explaining the problem.vtt 10.0 KB
35. Amazon Trees question Path Sum (Easy)/03. Walkthrough over pseudocode.vtt 10.0 KB
08. Google Array question first bad version (Easy)/01. Introduction To The Problem And Brute Force Approach.vtt 9.9 KB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/01. Approach 1 Introduction to the problem and brute force approach.vtt 9.9 KB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/03. Binary Search tree creation and insertion implementation.vtt 9.8 KB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/04. Approach 2 Optimal Approach Explanation.vtt 9.8 KB
28. Facebook Backtracking question Subsets (Medium)/04. Backtracking Approach 2 explanation - Subsets.vtt 9.6 KB
27. Google Linked list question Merge K sorted lists (Hard)/01. Explanation - Merge K Sorted Lists - Hard #23.vtt 9.5 KB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/02. Initial Intuition behind the problem.vtt 9.4 KB
02. Microsoft Array Question Container with most water (Medium)/05. Approach 2 Pseudocode walkthrough.vtt 9.4 KB
58. DATA STRUCTURE Graphs (OPTIONAL)/03. Directed Graph Implementation - Adjacency Matrix.vtt 9.4 KB
10. Amazon Math Question Count Primes/03. Approach 2 Optimal solution.vtt 9.2 KB
59. ALGORITHM Depth First Search (DFS) - OPTIONAL/01. Depth First Search (DFS).vtt 9.2 KB
31. Uber Backtracking question Combination Sum (Medium)/02. Intuition behind the problem.vtt 9.0 KB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/02. Intuition behind the problem.vtt 8.9 KB
45. Google Dynamic Programming Question House Robber (Easy)/01. Explanation behind the problem.vtt 8.9 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/01. What are Linked Lists.vtt 8.8 KB
37. Google Trees question Kth Smallest Element In a BST (Medium)/01. Explaining the problem.vtt 8.7 KB
10. Amazon Math Question Count Primes/01. Problem Introduction And Brute Force Explanation.vtt 8.6 KB
49. Bloomberg Dynamic Programming Question Unique Paths (Medium)/01. Explaining the problem.vtt 8.6 KB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/03. Explaining the Deserialisation.vtt 8.5 KB
02. Microsoft Array Question Container with most water (Medium)/03. pseudocode walkthrough.vtt 8.4 KB
59. ALGORITHM Depth First Search (DFS) - OPTIONAL/02. DFS implementation.vtt 8.4 KB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/02. Explanation - Minimum window substring - part 2.vtt 8.3 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/08. Doubly linked list deletion implementation.vtt 8.2 KB
31. Uber Backtracking question Combination Sum (Medium)/03. Walkthrough over the pseudocode.vtt 8.2 KB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/05. Pseudocode Walkthrough.vtt 8.2 KB
23. Microsoft Linked list question Reverse linked list (Easy)/03. pseudocode Implementation & Walkthrough - Reverse Linked List.vtt 8.2 KB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/06. Implementing the code.vtt 8.2 KB
13. Facebook Math Question Add Binary (Easy)/04. Pseudocode Walkthrough.vtt 8.2 KB
34. Google Trees question Maximum Depth of a Binary Tree (Easy)/02. Intuition and pseudocode implementation.vtt 8.1 KB
48. Google Dynamic Programming Question Coin Change (Medium)/03. Pseudocode Implementation and optimisation.vtt 8.1 KB
41. Amazon Stack Question Valid Parenthesis (Easy)/02. Intuition behind this problem.vtt 8.1 KB
60. ALGORITHM Breadth First Search (BFS) - OPTIONAL/01. Breadth First Search (BFS).vtt 8.1 KB
25. Linked list question Remove Nth node from end of list (Medium)/02. Intuition - Remove Nth Node From End of List.vtt 8.1 KB
25. Linked list question Remove Nth node from end of list (Medium)/04. Approach 2 Explanation - Remove Nth Node From End of List.vtt 8.1 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/06. Doubly linked lists creation implementation.vtt 8.0 KB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/01. Brute force Explanation.vtt 8.0 KB
61. Algorithm And Question Dijkstra's (OPTIONAL)/02. Explanation - network delay time - Medium #743.vtt 8.0 KB
04. Google Array Question Boats to save people (Medium)/02. How to intuitively think about this problem.vtt 7.9 KB
53. ALGORITHM Binary Search (OPTIONAL)/01. Binary Search Algorithm.vtt 7.9 KB
04. Google Array Question Boats to save people (Medium)/01. Problem Introduction.vtt 7.9 KB
16. Google Hash Tables Dictionaries question Majority Element/06. Approach 3 Walkthrough - Optimal solution.vtt 7.9 KB
11. Airbnb Math Question Single Number/03. Approach 2 better Approach.vtt 7.8 KB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/04. Optimal solution explanation.vtt 7.8 KB
60. ALGORITHM Breadth First Search (BFS) - OPTIONAL/02. BFS Implementation.vtt 7.8 KB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/04. Pseudocode walkthrough part 1.vtt 7.7 KB
09. Microsoft Math Question Missing Number (Easy-ish)/06. Approach 3 Optimal Approach.vtt 7.6 KB
52. Big O Notation (OPTIONAL)/02. Big O Exercises.vtt 7.6 KB
58. DATA STRUCTURE Graphs (OPTIONAL)/02. Directed Graph Implementation - Adjacency List.vtt 7.6 KB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/02. InputOuput for the problem.vtt 7.6 KB
05. Facebook Array Question Move Zeroes (Easy)/01. Brute force Intuition.vtt 7.6 KB
41. Amazon Stack Question Valid Parenthesis (Easy)/04. Walkthrough over the pseudocode.vtt 7.6 KB
16. Google Hash Tables Dictionaries question Majority Element/03. Approach 2 - Majority Element Intuition.vtt 7.5 KB
04. Google Array Question Boats to save people (Medium)/03. Pseudocode Walkthrough.vtt 7.5 KB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/04. Walkthrough over pseudocode (Deserialisation).vtt 7.5 KB
61. Algorithm And Question Dijkstra's (OPTIONAL)/03. Code - network delay time - Medium #743.vtt 7.4 KB
30. Microsoft Backtracking question Word Search (Medium)/02. Code - Word Search - Medium #79.vtt 7.3 KB
41. Amazon Stack Question Valid Parenthesis (Easy)/01. Explaining the problem.vtt 7.3 KB
16. Google Hash Tables Dictionaries question Majority Element/01. Approach 1 Intuition.vtt 7.3 KB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/05. Pseudocode walkthrough part 2.vtt 7.3 KB
02. Microsoft Array Question Container with most water (Medium)/02. Brute Force solution Intuition.vtt 7.2 KB
33. Microsoft Trees question Symmetric Trees (Easy)/02. Intuition behind the problem.vtt 7.2 KB
58. DATA STRUCTURE Graphs (OPTIONAL)/04. Undirected Graph Implementation - Adjacency List.vtt 7.2 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/03. Singly linked list insertion implementation.vtt 7.2 KB
34. Google Trees question Maximum Depth of a Binary Tree (Easy)/03. Walkthrough over pseudocode.vtt 7.0 KB
45. Google Dynamic Programming Question House Robber (Easy)/03. 2nd Approach Bottom Up dynamic programming.vtt 7.0 KB
03. Google Array Question Valid mountain array (Easy)/02. How to think about this problem.vtt 7.0 KB
05. Facebook Array Question Move Zeroes (Easy)/03. Better Approach Intuition.vtt 7.0 KB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/01. Introduction to the problem and brute force approach.vtt 7.0 KB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/02. What is a binary search tree (BST).vtt 6.9 KB
42. Apple Stack Question Binary Tree Level Order Traversal (Medium)/02. Walkthrough over pseudocode.vtt 6.8 KB
15. Google Hash Tables Dictionaries question Contains Duplicate/02. Optimal Approach.vtt 6.8 KB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/06. Implementing the code.vtt 6.8 KB
08. Google Array question first bad version (Easy)/02. Optimal Solution Intuition.vtt 6.8 KB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/06. Code - Minimum Window Substring - Hard #76.vtt 6.7 KB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/04. Binary search tree searching Implementation.vtt 6.7 KB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/02. Walkthrough over pseudocode (Serialisation).vtt 6.6 KB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/04. Pseudocode implementation.vtt 6.6 KB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/03. Implementation the pseudocode.vtt 6.6 KB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/03. Walkthrough over pseudocode.vtt 6.5 KB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/02. Brute Force Pseudocode Walkthrough.vtt 6.5 KB
24. Adobe Linked list question Add two numbers (Medium)/04. Walkthrough - Add Two Numbers - Medium #2.vtt 6.5 KB
24. Adobe Linked list question Add two numbers (Medium)/02. Intuition - Add Two Numbers.vtt 6.5 KB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/01. Introduction to the problem.vtt 6.4 KB
28. Facebook Backtracking question Subsets (Medium)/01. Explanation - Subsets.vtt 6.4 KB
52. Big O Notation (OPTIONAL)/06. Logarithms.vtt 6.4 KB
58. DATA STRUCTURE Graphs (OPTIONAL)/05. Undirected Graph Implementation - Adjacency Matrix.vtt 6.3 KB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/04. Walkthrough over pseudocode.vtt 6.3 KB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/03. Walkthrough - Merge Two Sorted Lists - Easy #21.vtt 6.3 KB
20. Linkedin Hash Tables Dictionaries question Minimum Window Substring (Hard)/01. Explanation - Minimum Window Substring - part 1.vtt 6.3 KB
35. Amazon Trees question Path Sum (Easy)/02. Intuition behind the problem.vtt 6.3 KB
03. Google Array Question Valid mountain array (Easy)/03. Pseudocode Walkthrough.vtt 6.3 KB
22. Amazon Linked list question Linked list cycle (Medium)/02. Intuition - Linked List Cycle - Easy #141.vtt 6.3 KB
55. DATA STRUCTURE Hash Tables (OPTIONAL)/03. Collision handling.vtt 6.3 KB
63. DATA STRUCTURE Binary Search Trees (BST) - OPTIONAL/05. BInary search tree deletion implementation.vtt 6.3 KB
27. Google Linked list question Merge K sorted lists (Hard)/02. Code - Merge K Sorted Lists - Hard #23.vtt 6.1 KB
53. ALGORITHM Binary Search (OPTIONAL)/02. Binary Search Implementation.vtt 6.1 KB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/05. Pseudocode Walkthrough.vtt 6.1 KB
16. Google Hash Tables Dictionaries question Majority Element/02. Approach 1 Pseudocode Walkthrough.vtt 6.0 KB
10. Amazon Math Question Count Primes/04. Pseudocode Walkthrough For Optimal Approach.vtt 6.0 KB
24. Adobe Linked list question Add two numbers (Medium)/05. Code - Add Two Numbers.vtt 6.0 KB
23. Microsoft Linked list question Reverse linked list (Easy)/02. Intuition - Reverse Linked List.vtt 6.0 KB
06. Amazon Array Question Longest substring without repeating characters (Medium)/05. Approach 2 pseudocode walkthrough.vtt 6.0 KB
10. Amazon Math Question Count Primes/02. Pseudocode Walkthrough For Brute Force Approach.vtt 5.9 KB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/02. Intuition behind the problem.vtt 5.9 KB
24. Adobe Linked list question Add two numbers (Medium)/01. Explanation - Add Two Numbers.vtt 5.9 KB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/03. Pseudocode implementation.vtt 5.8 KB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/02. Implementation - Merge Two Sorted Lists - Easy #21.vtt 5.8 KB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/05. Optimal solution pseudocode walkthrough.vtt 5.8 KB
28. Facebook Backtracking question Subsets (Medium)/02. Cascading solution explanation - Subsets.vtt 5.7 KB
11. Airbnb Math Question Single Number/01. Introduction to the problem and brute force approach.vtt 5.7 KB
48. Google Dynamic Programming Question Coin Change (Medium)/01. Explaining the problem.vtt 5.7 KB
09. Microsoft Math Question Missing Number (Easy-ish)/03. Approach 2 A Better Approach Explanation.vtt 5.6 KB
12. Amazon Math Question Robot return to origin (Easy)/01. Explaining the problem.vtt 5.6 KB
51. Amazon Dynamic Programming Question Trapping Rain Water (Hard)/02. Coding the implementation.vtt 5.6 KB
49. Bloomberg Dynamic Programming Question Unique Paths (Medium)/02. Pseudocode Implementation and walkthrough.vtt 5.6 KB
03. Google Array Question Valid mountain array (Easy)/01. Introduction to the problem.vtt 5.6 KB
48. Google Dynamic Programming Question Coin Change (Medium)/05. Implementing the code.vtt 5.5 KB
52. Big O Notation (OPTIONAL)/04. Big O Simplification.vtt 5.5 KB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/06. Implementing the code.vtt 5.4 KB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/03. Walkthrough over pseudocode.vtt 5.4 KB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/04. Pseudocode Implementation.vtt 5.4 KB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/03. Pseudocode Walkthrough.vtt 5.3 KB
07. Arrays QuestionFind first and last position of element in sorted Array (Medium)/02. Brute force Pseudocode walkthrough.vtt 5.3 KB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/01. Explaining the problem.vtt 5.3 KB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/04. Implementing the code.vtt 5.2 KB
26. Linked list question Odd Even linked list (Medium)/01. Explanation - Odd Even Linked List.vtt 5.2 KB
40. Google Stack Question Min Stack (Easy)/02. Walkthrough over pseudocode.vtt 5.2 KB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/01. Explanation - Merge Two Sorted Lists - Easy #21.vtt 5.2 KB
09. Microsoft Math Question Missing Number (Easy-ish)/01. Introduction to the problem.vtt 5.1 KB
08. Google Array question first bad version (Easy)/04. Implementing the code.vtt 5.1 KB
09. Microsoft Math Question Missing Number (Easy-ish)/02. Approach 1 Brute Force Approach.vtt 5.1 KB
31. Uber Backtracking question Combination Sum (Medium)/01. Explanation the problem.vtt 5.0 KB
13. Facebook Math Question Add Binary (Easy)/05. Implementing the code.vtt 5.0 KB
19. Microsoft Hash Tables Dictionaries question LRU Cache (Medium)/03. Intuition behind the problem.vtt 4.9 KB
54. TECHNIQUE Sliding Window (OPTIONAL)/02. Sliding Window Implementation.vtt 4.9 KB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/01. Explanation - Letter Combinations of a Phone Number.vtt 4.9 KB
46. Facebook Dynamic Programming Question Best Time To Buy And Sell Stocks (Easy)/01. Explanation behind the problem.vtt 4.9 KB
32. Bloomberg Backtracking question Palindrome Partitioning (Medium)/02. Pseudocode implementation.vtt 4.8 KB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/01. Explaining the problem.vtt 4.8 KB
52. Big O Notation (OPTIONAL)/05. Space complexity.vtt 4.8 KB
26. Linked list question Odd Even linked list (Medium)/04. Walkthrough - Odd Even Linked List.vtt 4.8 KB
45. Google Dynamic Programming Question House Robber (Easy)/04. Walkthrough behind pseudocode.vtt 4.8 KB
62. DATA STRUCTURE Trees (OPTIONAL)/03. In-order Traversal Technique.vtt 4.8 KB
13. Facebook Math Question Add Binary (Easy)/03. Pseudocode Implementation.vtt 4.8 KB
13. Facebook Math Question Add Binary (Easy)/01. Introduction to the problem.vtt 4.8 KB
31. Uber Backtracking question Combination Sum (Medium)/04. Implementing the code.vtt 4.7 KB
06. Amazon Array Question Longest substring without repeating characters (Medium)/06. Implementing the code.vtt 4.7 KB
35. Amazon Trees question Path Sum (Easy)/01. Explaining the problem.vtt 4.7 KB
62. DATA STRUCTURE Trees (OPTIONAL)/04. In-order traversal implementation.vtt 4.7 KB
04. Google Array Question Boats to save people (Medium)/04. Implementing the code.vtt 4.6 KB
33. Microsoft Trees question Symmetric Trees (Easy)/01. Explaining the problem.vtt 4.6 KB
28. Facebook Backtracking question Subsets (Medium)/05. Implementing the code.vtt 4.5 KB
06. Amazon Array Question Longest substring without repeating characters (Medium)/01. Introduction to the problem.vtt 4.5 KB
05. Facebook Array Question Move Zeroes (Easy)/02. Brute force pseudocode walkthrough.vtt 4.5 KB
22. Amazon Linked list question Linked list cycle (Medium)/01. Explanation - Linked List Cycle - Easy #141.vtt 4.5 KB
25. Linked list question Remove Nth node from end of list (Medium)/01. Explanation - Remove Nth Node From End of List.vtt 4.5 KB
28. Facebook Backtracking question Subsets (Medium)/03. Cascading solution walkthrough - Subsets.vtt 4.5 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/04. Singly linked list deletion implementation.vtt 4.4 KB
24. Adobe Linked list question Add two numbers (Medium)/03. Implementation - Add Two Numbers.vtt 4.4 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/02. Singly linked list creation implementation.vtt 4.4 KB
18. Hash Tables Dictionaries question 4sum 2 (Medium)/04. Implementing the code.vtt 4.4 KB
17. Facebook Hash Tables Dictionaries question Group Anagrams (Medium)/02. Code - Group Anagrams - Medium #49.vtt 4.4 KB
13. Facebook Math Question Add Binary (Easy)/02. Examples of binary additions.vtt 4.4 KB
62. DATA STRUCTURE Trees (OPTIONAL)/07. Post-order Traversal Technique.vtt 4.3 KB
45. Google Dynamic Programming Question House Robber (Easy)/05. Implementing the code.vtt 4.3 KB
62. DATA STRUCTURE Trees (OPTIONAL)/05. Pre-order Traversal Technique.vtt 4.3 KB
10. Amazon Math Question Count Primes/05. Code Implementation.vtt 4.2 KB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/05. Bottom up approach walkthrough - Climbing Stairs - Easy #70.vtt 4.2 KB
58. DATA STRUCTURE Graphs (OPTIONAL)/01. What are Graphs.vtt 4.2 KB
25. Linked list question Remove Nth node from end of list (Medium)/03. Walkthrough - Remove Nth Node From End of List.vtt 4.1 KB
52. Big O Notation (OPTIONAL)/01. Big O Introduction.vtt 4.1 KB
05. Facebook Array Question Move Zeroes (Easy)/04. Better Approach Pseudocode walkthrough.vtt 4.0 KB
39. Microsoft Trees question Binary Tree Maximum Path Sum (Hard)/04. Coding the solution.vtt 3.9 KB
57. DATA STRUCTURES Stacks and Queues (OPTIONAL)/01. What are stacks.vtt 3.9 KB
38. Microsoft Trees question Serialise And Deserialise Binary Tree (Hard)/05. Coding the solution.vtt 3.8 KB
11. Airbnb Math Question Single Number/02. Pseudocode walkthrough for brute approach.vtt 3.7 KB
44. Stack Question Binary Tree Postorder Traversal (Medium)/02. Implementing the code.vtt 3.7 KB
41. Amazon Stack Question Valid Parenthesis (Easy)/05. Code - Valid Parenthesis - Easy #20.vtt 3.7 KB
35. Amazon Trees question Path Sum (Easy)/04. Coding the solution.vtt 3.7 KB
25. Linked list question Remove Nth node from end of list (Medium)/05. Approach 2 Walkthrough - Remove Nth Node From End of List - Medium #19.vtt 3.6 KB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/04. Bottom up approach explanation.vtt 3.6 KB
43. Microsoft Queue Question Binary Tree Zigzag Level Order Traversal (Medium)/06. Implementing the code.vtt 3.6 KB
55. DATA STRUCTURE Hash Tables (OPTIONAL)/04. Collision handling techniques comparison.vtt 3.6 KB
56. DATA STRUCTURES Linked Lists (OPTIONAL)/05. Doubly Linked Lists.vtt 3.5 KB
22. Amazon Linked list question Linked list cycle (Medium)/03. Walkthrough - Linked List Cycle - Easy #141.vtt 3.5 KB
23. Microsoft Linked list question Reverse linked list (Easy)/01. Explanation - Reverse Linked List.vtt 3.5 KB
09. Microsoft Math Question Missing Number (Easy-ish)/04. PseudoCode Walkthrough For Approach 2.vtt 3.5 KB
50. Microsoft Dynamic Programming Question Longest Palindromic Substring (Medium)/01. Explanation of the problem.vtt 3.5 KB
42. Apple Stack Question Binary Tree Level Order Traversal (Medium)/03. Implementing the code.vtt 3.4 KB
57. DATA STRUCTURES Stacks and Queues (OPTIONAL)/03. What are Queues.vtt 3.4 KB
62. DATA STRUCTURE Trees (OPTIONAL)/06. Pre-order traversal implementation.vtt 3.4 KB
23. Microsoft Linked list question Reverse linked list (Easy)/04. Implementing the code - Reverse Linked List.vtt 3.4 KB
36. Facebook Trees question Lowest Common Ancestor of a Binary Tree (Medium)/01. Explaining the problem.vtt 3.4 KB
11. Airbnb Math Question Single Number/04. Implementing the code.vtt 3.4 KB
29. Amazon Backtracking question Letter Combination of a Phone Number (Medium)/04. Code - Letter Combinations of a Phone Number.vtt 3.4 KB
08. Google Array question first bad version (Easy)/03. Optimal solution pseudocode walkthrough.vtt 3.4 KB
14. Google Hash Tables Dictionaries question Two Sum (Easy)/06. Code Implementation.vtt 3.4 KB
25. Linked list question Remove Nth node from end of list (Medium)/06. Code - Remove Nth Node From End of List.vtt 3.4 KB
21. Apple Linked list question Merge Two Sorted Lists (Easy)/04. Code - Merge Two Sorted Lists - Easy #21.vtt 3.4 KB
47. Amazon Dynamic Programming Question Climbing Stairs (Easy)/06. Bottom up optimization - Climbing Stairs - Easy #70.vtt 3.3 KB
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