Problems
Original multi-part problems based on Blind 75, NeetCode 150, and Grind 75
177 showing
Accounts Merge
Arrays & Hashing · Stringmedium
GPU Credits Manager
Designhard
Carnival Concession Inventory
Designhard
Feature Flag Timeline Store
Designhard
Pop-up Clinic Check-in Table
Designhard
Figma Document Buffer
Design · Simulationhard
Cloudflare Rate Limiter
Designhard
Robinhood Order Book
Design · Simulationhard
Asteroid Collision
Arrays & Hashing · Stackmedium
IPv4 Iterators and CIDR
Bit Manipulation · Math & Geometrymedium
Largest Local Values in a Matrix
Arrays & Hashing · Simulationeasy
Add Binary
String · Math & Geometryeasy
Add Two Numbers
Linked List · Backtrackingmedium
Alien Dictionary
Arrays & Hashing · Stringhard
Balanced Binary Tree
BFS / DFS · Treeseasy
Binary Tree Level Order Traversal
BFS / DFS · Treesmedium
Binary Tree Right Side View
BFS / DFS · Treesmedium
Binary Tree Maximum Path Sum
Trees · Dynamic Programminghard
Basic Calculator
String · Stackhard
Best Time to Buy and Sell Stock
Arrays & Hashing · Sliding Windoweasy
Stock Trading with Cooldown
Arrays & Hashing · Dynamic Programmingmedium
Meeting Rooms II
Arrays & Hashing · Heap / Priority Queuemedium
Number of Connected Components in an Undirected Graph
BFS / DFS · Graphsmedium
Network Delay Time
BFS / DFS · Graphsmedium
Swim in Rising Water
Arrays & Hashing · Graphshard
Reconstruct Itinerary
Backtracking · BFS / DFShard
Min Cost to Connect All Points
Arrays & Hashing · Graphsmedium
Graph Valid Tree
BFS / DFS · Graphsmedium
Plus One
Arrays & Hashing · Math & Geometryeasy
Multiply Strings
Math & Geometry · Stringmedium
Showing 1–30 of 177