Loading problems...

All Problems

181 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)

All Topics(4301)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)Algorithms(3944)

Filter by Difficulty:

Easy Medium Hard

🎥Has Video

Tag:

Company:

Active filters:Tag: design×

Title	Difficulty	Videos	Companies
Amount of New Area Painted Each Day	hard	-
Design an Array Statistics Tracker	hard	-
Design Spreadsheet	medium	-
Design Task Manager	medium	-
Design Underground System	medium	-
Fancy Sequence	hard	-
Find frequency of a word in a book	easy	-
Implement a bit array	medium	-	amazon
Implement Hierarchical Locking System for Tree Structures	medium	-
Implement Router	medium	-
Maximum Alternating Subsequence Sum	medium	-
Maximum Number of Matching Indices After Right Shifts	easy	-
OOD - Amazon-like Online Shopping System	hard	-
OOD - Cricinfo	hard	-
OOD - Facebook	hard	-
OOD - Library Management System	medium	-
OOD - LinkedIn	hard	-
OOD - Online Stock Brokerage System	hard	-
OOD - Parking Lot	medium	-
Range Frequency Queries	medium	-
Stack of plates	medium	-	microsoft amazon
Stock Price Fluctuation	medium	-	two-sigma
Design LRU Cache	medium	-	adobe alibaba amazon
Min Stack	medium	-	adobe amazon apple
Two Sum 3 - Data structure design	easy	-	linkedin
Binary Search Tree BST Inorder Iterator	medium	-	alibaba amazon apple
Implement Trie	medium		amazon apple bloomberg
Design Add and Search Words Data Structure	medium		airbnb amazon apple
Implement stack using queues	easy	-	amazon bloomberg citadel
Implement Queue using Stacks	easy	-	amazon apple bloomberg
Shortest Word Distance 2	medium	-	amazon ebay linkedin
Flatten 2D Vector	medium	-	airbnb apple facebook
Encode and Decode Strings	medium		bloomberg google microsoft
Zigzag Iterator	medium	-	amazon apple cruise-automation
Peeking Iterator	medium	-	amazon apple atlassian
Unique Word Abbreviation	medium	-	google
Find Median from Data Stream	hard		adobe amazon apple
Serialize and Deserialize Binary Tree	hard		amazon apple bloomberg
Range Sum Query - Immutable	easy	-	amazon bloomberg facebook
Range Sum Query 2D - Immutable	medium	-	amazon apple cruise-automation
Range Sum Query – Mutable	medium	-	amazon facebook google
Range Sum Query 2D - Mutable	medium	-	facebook google microsoft
Flatten Nested List Iterator	medium	-	airbnb amazon apple
Moving Average of Last N numbers in a Stream	easy	-	amazon appdynamics bloomberg
Design Tic-Tac-Toe	medium	-	amazon apple bloomberg
Data Stream as Disjoint Intervals	hard	-	amazon facebook google
Design Snake Game	medium	-	amazon apple bloomberg
Design Twitter (Data Structure Design)	medium	-	amazon doordash oracle
Logger Rate Limiter	easy	-	amazon apple atlassian
Design Hit Counter	medium	-	affirm amazon apple

Showing 1 to 50 of 181 results