Blind150

The full Neetcode 150 expansion: Blind 75 plus 75 follow-on problems for fuller coverage. The 75 shared problems are stubs that point at the worked solution on Blind75; the 75 extras have their full structure here.

Arrays#

Contains Duplicate#

Worked solution on the Blind 75 page · Leetcode

Valid Anagram#

Worked solution on the Blind 75 page · Leetcode

Two Sum#

Worked solution on the Blind 75 page · Leetcode

Group Anagrams#

Worked solution on the Blind 75 page · Leetcode

Top K Frequent Elements#

Worked solution on the Blind 75 page · Leetcode

Product of Array Except Self#

Worked solution on the Blind 75 page · Leetcode

Valid Sudoku#

Valid Sudoku on Leetcode

Encode and Decode Strings#

Worked solution on the Blind 75 page · Leetcode (★ Premium)

Graph#

Longest Consecutive Sequence#

Worked solution on the Blind 75 page · Leetcode

Two Pointers#

Valid Palindrome#

Worked solution on the Blind 75 page · Leetcode

Two Sum II#

Two Sum II on Leetcode

3Sum#

Worked solution on the Blind 75 page · Leetcode

Container with Most Water#

Worked solution on the Blind 75 page · Leetcode

Trapping Rain Water#

Trapping Rain Water on Leetcode

Sliding Window#

Best Time to Buy & Sell Stock#

Worked solution on the Blind 75 page · Leetcode

Longest Substring Without Repeating Characters#

Worked solution on the Blind 75 page · Leetcode

Longest Repeating Character Replacement#

Worked solution on the Blind 75 page · Leetcode

Permutation in String#

Permutation in String on Leetcode

Minimum Window Substring#

Worked solution on the Blind 75 page · Leetcode

Sliding Window Maximum#

Sliding Window Maximum on Leetcode

Stack#

Valid Parentheses#

Worked solution on the Blind 75 page · Leetcode

Min Stack#

Min Stack on Leetcode

Evaluate Reverse Polish Notation#

Evaluate Reverse Polish Notation on Leetcode

Generate Parentheses#

Generate Parentheses on Leetcode

Daily Temperatures#

Daily Temperatures on Leetcode

Car Fleet#

Car Fleet on Leetcode

Largest Rectangle in Histogram#

Largest Rectangle in Histogram on Leetcode

Binary Search#

Binary Search#

Binary Search on Leetcode

Search a 2D Matrix#

Search a 2D Matrix on Leetcode

Koko Eating Bananas#

Koko Eating Bananas on Leetcode

Search Rotated Sorted Array#

Worked solution on the Blind 75 page · Leetcode

Find Minimum in Rotated Sorted Array#

Worked solution on the Blind 75 page · Leetcode

Time Based Key-Value Store#

Time Based Key-Value Store on Leetcode

Find Median of Two Sorted Arrays#

Find Median of Two Sorted Arrays on Leetcode

Linked List#

Reverse Linked List#

Worked solution on the Blind 75 page · Leetcode

Merge Two Linked Lists#

Worked solution on the Blind 75 page · Leetcode

Reorder List#

Worked solution on the Blind 75 page · Leetcode

Remove Nth Node from End of List#

Worked solution on the Blind 75 page · Leetcode

Copy List with Random Pointer#

Copy List with Random Pointer on Leetcode

Add Two Numbers#

Add Two Numbers on Leetcode

Linked List Cycle#

Worked solution on the Blind 75 page · Leetcode

Find the Duplicate Number#

Find the Duplicate Number on Leetcode

LRU Cache#

LRU Cache on Leetcode

Merge K Sorted Lists#

Worked solution on the Blind 75 page · Leetcode

Reverse Nodes in K-Group#

Reverse Nodes in K-Group on Leetcode

Trees#

Invert Binary Tree#

Worked solution on the Blind 75 page · Leetcode

Maximum Depth of Binary Tree#

Worked solution on the Blind 75 page · Leetcode

Diameter of a Binary Tree#

Diameter of a Binary Tree on Leetcode

Balanced Binary Tree#

Balanced Binary Tree on Leetcode

Same Tree#

Worked solution on the Blind 75 page · Leetcode

Subtree of Another Tree#

Worked solution on the Blind 75 page · Leetcode

Lowest Common Ancestor of a BST#

Worked solution on the Blind 75 page · Leetcode

Binary Tree Level Order Traversal#

Worked solution on the Blind 75 page · Leetcode

Binary Tree Right Side View#

Binary Tree Right Side View on Leetcode

Count Good Nodes in a Binary Tree#

Count Good Nodes in a Binary Tree on Leetcode

Validate Binary Search Tree#

Worked solution on the Blind 75 page · Leetcode

Kth Smallest Element in a BST#

Worked solution on the Blind 75 page · Leetcode

Construct Tree from Preorder and Inorder Traversal#

Worked solution on the Blind 75 page · Leetcode

Binary Tree Max Path Sum#

Worked solution on the Blind 75 page · Leetcode

Serialize and Deserialize Binary Tree#

Worked solution on the Blind 75 page · Leetcode

Tries#

Implement Trie#

Worked solution on the Blind 75 page · Leetcode

Design Add and Search Word Data Structure#

Worked solution on the Blind 75 page · Leetcode

Word Search II#

Worked solution on the Blind 75 page · Leetcode

Heap / Priority Queue#

Kth Largest Element in a Stream#

Kth Largest Element in a Stream on Leetcode

Last Stone Weight#

Last Stone Weight on Leetcode

K Closest Points to Origin#

K Closest Points to Origin on Leetcode

Kth Largest Element in an Array#

Kth Largest Element in an Array on Leetcode

Task Scheduler#

Task Scheduler on Leetcode

Design Twitter#

Design Twitter on Leetcode

Find Median from Data Stream#

Worked solution on the Blind 75 page · Leetcode

Backtracking#

Subsets#

Subsets on Leetcode

Combination Sum#

Worked solution on the Blind 75 page · Leetcode

Permutations#

Permutations on Leetcode

Subsets II#

Subsets II on Leetcode

Combination Sum II#

Combination Sum II on Leetcode

Word Search#

Worked solution on the Blind 75 page · Leetcode

Palindrome Partitioning#

Palindrome Partitioning on Leetcode

Letter Combinations of a Phone Number#

Letter Combinations of a Phone Number on Leetcode

N-Queens#

N-Queens on Leetcode

Graphs#

Number of Islands#

Worked solution on the Blind 75 page · Leetcode

Clone Graph#

Worked solution on the Blind 75 page · Leetcode

Max Area of Island#

Max Area of Island on Leetcode

Pacific Atlantic Waterflow#

Worked solution on the Blind 75 page · Leetcode

Surrounded Regions#

Surrounded Regions on Leetcode

Rotting Oranges#

Rotting Oranges on Leetcode

Walls and Gates#

Walls and Gates on Leetcode

Course Schedule#

Worked solution on the Blind 75 page · Leetcode

Course Schedule II#

Course Schedule II on Leetcode

Redundant Connection#

Redundant Connection on Leetcode

Number of Connected Components in Graph#

Worked solution on the Blind 75 page · Leetcode (★ Premium)

Graph Valid Tree#

Worked solution on the Blind 75 page · Leetcode (★ Premium)

Word Ladder#

Word Ladder on Leetcode

Advanced Graphs#

Reconstruct Itinerary#

Reconstruct Itinerary on Leetcode

Min Cost to Connect all Points#

Min Cost to Connect all Points on Leetcode

Network Delay Time#

Network Delay Time on Leetcode

Swim in Rising Water#

Swim in Rising Water on Leetcode

Alien Dictionary#

Worked solution on the Blind 75 page · Leetcode (★ Premium)

Cheapest Flights with K Stops#

Cheapest Flights with K Stops on Leetcode

1-D Dynamic Programming#

Climbing Stairs#

Worked solution on the Blind 75 page · Leetcode

Min Cost Climbing Stairs#

Min Cost Climbing Stairs on Leetcode

House Robber#

Worked solution on the Blind 75 page · Leetcode

House Robber II#

Worked solution on the Blind 75 page · Leetcode

Longest Palindromic Substring#

Worked solution on the Blind 75 page · Leetcode

Palindromic Substrings#

Worked solution on the Blind 75 page · Leetcode

Decode Ways#

Worked solution on the Blind 75 page · Leetcode

Coin Change#

Worked solution on the Blind 75 page · Leetcode

Maximum Product Subarray#

Worked solution on the Blind 75 page · Leetcode

Word Break#

Worked solution on the Blind 75 page · Leetcode

Longest Increasing Subsequence#

Worked solution on the Blind 75 page · Leetcode

Partition Equal Subset Sum#

Partition Equal Subset Sum on Leetcode

2-D Dynamic Programming#

Unique Paths#

Worked solution on the Blind 75 page · Leetcode

Longest Common Subsequence#

Worked solution on the Blind 75 page · Leetcode

Best Time to Buy/Sell Stock With Cooldown#

Best Time to Buy/Sell Stock With Cooldown on Leetcode

Coin Change II#

Coin Change II on Leetcode

Target Sum#

Target Sum on Leetcode

Interleaving String#

Interleaving String on Leetcode

Longest Increasing Path in a Matrix#

Longest Increasing Path in a Matrix on Leetcode

Distinct Subsequences#

Distinct Subsequences on Leetcode

Edit Distance#

Edit Distance on Leetcode

Burst Balloons#

Burst Balloons on Leetcode

Regular Expression Matching#

Regular Expression Matching on Leetcode

Greedy#

Maximum Subarray#

Worked solution on the Blind 75 page · Leetcode

Jump Game#

Worked solution on the Blind 75 page · Leetcode

Jump Game II#

Jump Game II on Leetcode

Gas Station#

Gas Station on Leetcode

Hand of Straights#

Hand of Straights on Leetcode

Merge Triplets to Form Target Triplet#

Merge Triplets to Form Target Triplet on Leetcode

Partition Labels#

Partition Labels on Leetcode

Valid Parenthesis String#

Valid Parenthesis String on Leetcode

Intervals#

Insert Interval#

Worked solution on the Blind 75 page · Leetcode

Merge Intervals#

Worked solution on the Blind 75 page · Leetcode

Non-Overlapping Intervals#

Worked solution on the Blind 75 page · Leetcode

Meeting Rooms#

Worked solution on the Blind 75 page · Leetcode (★ Premium)

Meeting Rooms II#

Worked solution on the Blind 75 page · Leetcode (★ Premium)

Minimum Interval to Include Each Query#

Minimum Interval to Include Each Query on Leetcode

Math & Geometry#

Rotate Image#

Worked solution on the Blind 75 page · Leetcode

Spiral Matrix#

Worked solution on the Blind 75 page · Leetcode

Set Matrix Zeroes#

Worked solution on the Blind 75 page · Leetcode

Happy Number#

Happy Number on Leetcode

Plus One#

Plus One on Leetcode

Pow(x, n)#

Pow(x, n) on Leetcode

Multiply Strings#

Multiply Strings on Leetcode

Detect Squares#

Detect Squares on Leetcode

Bit Manipulation#

Single Number#

Single Number on Leetcode

Number of 1 Bits#

Worked solution on the Blind 75 page · Leetcode

Counting Bits#

Worked solution on the Blind 75 page · Leetcode

Reverse Bits#

Worked solution on the Blind 75 page · Leetcode

Missing Number#

Worked solution on the Blind 75 page · Leetcode

Sum of Two Integers#

Worked solution on the Blind 75 page · Leetcode

Reverse Integer#

Reverse Integer on Leetcode