LeetCode Mastery: Top 150 Interview Questions in Python
Merge Sorted Array
LeetCode Mastery: Top 150 Interview Questions in Python
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Introduction
Introduction
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Course Timeline
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My Leetcode Coding Strategy
Video - 00:2:35 mins
Course Materials & Solutions
Reading
Array & String
Merge Sorted Array
Video - 00:3:57 mins
Remove Element
Video - 00:7:00 mins
Remove Duplicates from Sorted Array
Video - 00:7:49 mins
Remove Duplicates from Sorted Array II
Video - 00:8:43 mins
Majority Element
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Rotate Array
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Best Time to Buy and Sell Stock
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Best Time to Buy and Sell Stock II
Video - 00:3:57 mins
Jump Game
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Jump Game II
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H-Index
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Insert Delete Get Random O(1)
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Product of Array Except Self
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Gas Station
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Candy
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Trapping Rain Water
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Roman to Integer
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Integer to Roman
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Length of Last Word
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Longest Common Prefix
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Reverse Words in a String
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ZigZag Conversion
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Find the Index of the First Occurrence in a String
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Text Justification
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Arrays and String Quiz
Quiz
Arrays and String Quiz
Quiz
Arrays and String Quiz
Quiz
Two Pointers
Valid Palindrome
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Is Subsequence
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Two Sum II - Input Array Is Sorted
Video - 00:6:49 mins
Container With Most Water
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3Sum
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Two Pointers Quiz
Quiz
Two Pointers Quiz
Quiz
Two Pointers Quiz
Quiz
Sliding Window
Minimum Size Subarray Sum
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Longest Substring Without Repeating Characters
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Substring with Concatenation of All Words
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Minimum Window Substring
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Sliding Window Quiz
Quiz
Sliding Window Quiz
Quiz
Sliding Window Quiz
Quiz
Matrix
Valid Sudoku
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Spiral Matrix
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Rotate Image
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Set Matrix Zeroes
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Game of Life
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Matrix Quiz
Quiz
Matrix Quiz
Quiz
Matrix Quiz
Quiz
HashMap
Ransom Note
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Isomorphic Strings
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Word Pattern
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Valid Anagram
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Group Anagrams
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Two Sum
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Happy Number
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Contains Duplicate II
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Longest Consecutive Sequence
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Hashmap Quiz
Quiz
Hashmap Quiz
Quiz
Hashmap Quiz
Quiz
Intervals
Summary Ranges
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Merge Intervals
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Insert Interval
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Minimum Number of Arrows to Burst Balloons
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Intervals Quiz
Quiz
Intervals Quiz
Quiz
Intervals Quiz
Quiz
Stack
Valid Parentheses
Video - 00:11:55 mins
Simplify Path
Video - 00:8:16 mins
Min Stack
Video - 00:4:36 mins
Evaluate Reverse Polish Notation
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Basic Calculator
Video - 00:19:39 mins
Stack Quiz
Quiz
Stack Quiz
Quiz
Stack Quiz
Quiz
Linked List
Linked List Cycle
Video - 00:7:34 mins
Add Two Numbers
Video - 00:06:18 mins
Merge Two Sorted Lists
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Copy List with Random Pointer
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Reverse Linked List II
Video - 00:06:13 mins
Reverse Nodes in k-Group
Video - 00:05:43 mins
Remove Nth Node From End of List
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Remove Duplicates from Sorted List II
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Rotate List
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Partition List
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LRU Cache
Video - 00:09:48 mins
Linked List Quiz
Quiz
Linked List Quiz
Quiz
Linked List Quiz
Quiz
Binary Tree General
Maximum Depth of Binary Tree
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Same Tree
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Invert Binary Tree
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Symmetric Tree
Video - 00:07:45 mins
Construct Binary Tree from Preorder and Inorder Traversal
Video - 00:12:53 mins
Construct Binary Tree from Inorder and Postorder Traversal
Video - 00:09:58 mins
Populating Next Right Pointers in Each Node II
Video - 00:16:19 mins
Flatten Binary Tree to Linked List
Video - 00:12:12 mins
Path Sum
Video - 00:09:04 mins
Sum Root to Leaf Numbers
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Binary Tree Maximum Path Sum
Video - 00:13:05 mins
Binary Search Tree Iterator
Video - 00:05:30 mins
Count Complete Tree Nodes
Video - 00:04:11 mins
Lowest Common Ancestor of a Binary Tree
Video - 00:08:18 mins
Binary Tree Quiz
Quiz
Binary Tree Quiz
Quiz
Binary Tree Quiz
Quiz
Binary Tree BFS
Binary Tree Right Side View
Video - 00:09:23 mins
Average of Levels in Binary Tree
Video - 00:11:03 mins
Binary Tree Level Order Traversal
Video - 00:05:14 mins
Binary Tree ZigZag Level Order Traversal
Video - 00:07:08 mins
Binary Tree BFS Quiz
Quiz
Binary Tree BFS Quiz
Quiz
Binary Tree BFS Quiz
Quiz
Binary Search Tree
Minimum Absolute Difference in BST
Video - 00:07:02 mins
Kth Smallest Element in a BST
Video - 00:06:12 mins
Validate Binary Search Tree
Video - 00:07:32 mins
Binary Search Tree Quiz
Quiz
Binary Search Tree Quiz
Quiz
Binary Search Tree Quiz
Quiz
Graph General
Number of Islands
Video - 00:14:21 mins
Surrounded Regions
Video - 00:19:24 mins
Clone Graph
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Evaluate Division
Video - 00:13:46 mins
Course Schedule
Video - 00:16:10 mins
Course Schedule II
Video - 00:12:42 mins
Graph General Quiz
Quiz
Graph General Quiz
Quiz
Graph General Quiz
Quiz
Graph BFS
Snakes and Ladders
Video - 00:23:21 mins
Minimum Genetic Mutation
Video - 00:11:18 mins
Word Ladder
Video - 00:11:59 mins
Graph BFS Quiz
Quiz
Graph BFS Quiz
Quiz
Graph BFS Quiz
Quiz
Trie
Implement Trie (Prefix Tree)
Video - 00:10:55 mins
Design Add and Search Words Data Structure
Video - 00:16:41 mins
Word Search II
Video - 00:17:14 mins
Trie Quiz
Quiz
Trie Quiz
Quiz
Trie Quiz
Quiz
Backtracking
Letter Combinations of a Phone Number
Video - 00:10:15 mins
Combinations
Video - 00:10:21 mins
Permutations
Video - 00:08:40 mins
Combination Sum
Video - 00:14:31 mins
N-Queens II
Video - 00:20:37 mins
Generate Parentheses
Video - 00:13:16 mins
Word Search
Video - 00:17:20 mins
Backtracking Quiz
Quiz
Backtracking Quiz
Quiz
Backtracking Quiz
Quiz
Divide & Conquer
Convert Sorted Array to Binary Search Tree
Video - 00:08:10 mins
Sort List
Video - 00:17:09 mins
Construct Quad Tree
Video - 00:14:50 mins
Merge K Sorted Lists
Video - 00:15:31 mins
Divide & Conquer Quiz
Quiz
Divide & Conquer Quiz
Quiz
Divide & Conquer Quiz
Quiz
Kadane’s Algorithm
Maximum Subarray
Video - 00:07:54 mins
Maximum Sum Circular Subarray
Video - 00:16:29 mins
Kadane's Algorithm Quiz
Quiz
Kadane's Algorithm Quiz
Quiz
Kadane's Algorithm Quiz
Quiz
Binary Search
Search Insert Position
Video - 00:10:23 mins
Search a 2D Matrix
Video - 00:11:38 mins
Find Peak Element
Video - 00:09:22 mins
Search in Rotated Sorted Array
Video - 00:12:02 mins
Find First and Last Position of Element in Sorted Array
Video - 00:08:51 mins
Find Minimum in Rotated Sorted Array
Video - 00:08:32 mins
Median of Two Sorted Arrays
Video - 00:23:50 mins
Binary Search Quiz
Quiz
Binary Search Quiz
Quiz
Binary Search Quiz
Quiz
Heap
Kth Largest Element in an Array
Video - 00:05:21 mins
IPO
Video - 00:13:17 mins
Find K Pairs with Smallest Sums
Video - 00:11:57 mins
Find Median from Data Stream
Video - 00:23:47 mins
Heap Quiz
Quiz
Heap Quiz
Quiz
Heap Quiz
Quiz
Bit Manipulation
Add Binary
Video - 00:04:17 mins
Reverse Bits
Video - 00:06:32 mins
Number of 1 Bits
Video - 00:02:55 mins
Single Number
Video - 00:04:17 mins
Single Number II
Video - 00:12:59 mins
Bitwise And of Numbers Range
Video - 00:12:25 mins
Bit Manipulation Quiz
Quiz
Bit Manipulation Quiz
Quiz
Bit Manipulation Quiz
Quiz
Math
Palindrome Number
Video - 00:6:10 mins
Plus One
Video - 00:04:07 mins
Factorial Trailing Zeroes
Video - 00:07:43 mins
Sqrt(x)
Video - 00:07:37 mins
Pow(x, n)
Video - 00:02:30 mins
Max Points on a Line
Video - 00:09:51 mins
Math Quiz
Quiz
Math Quiz
Quiz
Math Quiz
Quiz
1D DP
Climbing Stairs
Video - 00:09:16 mins
House Robber
Video - 00:09:21 mins
Word Break
Video - 00:10:58 mins
Coin Change
Video - 00:13:24 mins
Longest Increasing Subsequence
Video - 00:12:53 mins
Dynamic Programming Quiz
Quiz
Dynamic Programming Quiz
Quiz
Dynamic Programming Quiz
Quiz
Multidimensional DP
Triangle
Video - 00:11:26 mins
Minimum Path Sum
Video - 00:14:28 mins
Unique Paths II
Video - 00:11:41 mins
Longest Palindromic Substring
Video - 00:09:48 mins
Interleaving String
Video - 00:14:59 mins
Edit Distance
Video - 00:13:52 mins
Best Time to Buy and Sell Stock III
Video - 00:08:32 mins
Best Time to Buy and Sell Stock IV
Video - 00:10:45 mins
Maximal Square
Video - 00:14:52 mins
Multi-Dimensional Quiz
Quiz
Multi-Dimensional Quiz
Quiz
Multi-Dimensional Quiz
Quiz
Conclusion
Thank You
Video - 00:1:30 mins
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