Neetcode 150

Contents

Arrays & Hashing
9 items
Contains Duplicate
Is Anagram
Two Sum
Group Anagrams
Top K Frequent Elements
Product of Array Except Self
Check Sudoku
Encode Strings
Longest Consecutive Sequence
Two Pointers
5 items
Valid Palindrome
Two Sum II - Input Array Is Sorted
3 Sum
Container With Most Water
Trapping Rain Water
Stack
7 items
Valid Parentheses
Min Stack
Evaluate Reverse Polish Notation
Generate Parentheses
Daily Temperatures
Car Fleet
Largest Rectangle in Histogram
Binary Search
6 items
Binary Search
Search a Matrix
Koko Eating Bananas
Find Minimum in Rotated Sorted Array
Search in Rotated Sorted Array
Median of Two Sorted Arrays
Sliding Window
6 items
Best Time to Buy and Sell Stock
Longest Substring Without Repeating Characters
Longest Repeating Character Replacement
Permutation in String
Minimum Window Substring
Sliding Window Maximum
Linked List
9 items
Reverse Linked List
Merge Two Sorted Lists
Reorder List
Remove Nth Node From End of List
Copy Linked List
Add Two Numbers (Linked List)
Detecting Cycles in a List
Find the Duplicate Number
Merge k Sorted Lists
Trees
15 items
Invert Binary Tree
Maximum Depth of Binary Tree
Diameter of Binary Tree
Balanced Binary Tree
Same Tree
Subtree of Another Tree
Lowest Common Ancestor of a Binary Search Tree
Binary Tree Level Order Traversal
Binary Tree Right Side View
Count Good Nodes in Binary Tree
Validate Binary Search Tree
Kth Smallest Element in a Binary Search Tree
Construct Binary Tree from Preorder and Inorder Traversal
Binary Tree Maximum Path Sum
Serialize and Deserialize Binary Tree
Tries
3 items
Implement Trie Search
Search Word
Word Search 2
Backtracking
9 items
Generate All Subsets
Combination Sum
Generate All Permutations
Generate All Subsets II (Unique Subsets)
Combination Sum II
Word Search
Palindrome Partitioning
Letter Combinations of a Phone Number
N Queens
Heap / Priority Queue
5 items
Last Stone Weight
K Closest Points to Origin (Manhattan Distance)
Kth Largest Element in Array
Task Scheduler
Find Median from Data Stream
Graphs
12 items
Number of Islands
Clone Graph
Max Area of Island
Pacific Atlantic Water Flow
Surrounded Regions
Rotting Oranges
Course Schedule
Course Schedule II
Redundant Connection
Number of Connected Components in an Undirected Graph
Graph Valid Tree
Word Ladder
1-D Dynamic Programming
12 items
Climbing Stairs
Minimum Cost Climbing Stairs
House Robber
House Robber II
Longest Palindromic Substring
Palindromic Substrings
Decode Ways
Coin Change
Maximum Product Subarray
Word Break
Longest Increasing Subsequence
Partition Equal Subset Sum
Intervals
6 items
Insert Interval
Merge Intervals
Non-overlapping Intervals
Meeting Rooms
Meeting Rooms II
Minimum Interval to Include Each Query
Greedy
8 items
Maximum Subarray
Jump Game
Jump Game II
Gas Station
Hand of Straights
Merge Triplets to Form Target Triplet
Partition Labels
Valid Parenthesis String
Advanced Graphs
6 items
Reconstruct Itinerary
Min Cost to Connect All Points
Network Delay Time
Swim in Rising Water
Alien Dictionary
Cheapest Flights Within K Stops
2-D Dynamic Programming
11 items
Unique Paths
Longest Common Subsequence
Best Time to Buy and Sell Stock with Cooldown
Coin Change II
Target Sum I
Interleaving String
Longest Increasing Path in a Matrix
Distinct Subsequences
Edit Distance
Burst Balloons
Regular Expression Matching
Bit Manipulation
7 items
Single Number
Number of 1 Bits
Counting Bits
Reverse Bits
Missing number
Sum of Two Integers
Reverse integer
Math & Geometry
6 items
Rotate Image
Spiral Matrix
Set Matrix Zeroes
Happy Number
Plus One
Multiply Strings