Make your practice count.Sign in to track completed questions across devices. Everything is free to browse.

Interview question tracker

Airbnb SDE 2

The 50 highest-frequency questions from all time. Finish the strongest signals first.

One question at a time.

Top questions 50

Done	Question	LeetCode
Mark Text Justification completed	Text Justification	Solve
Mark Maximum Profit in Job Scheduling completed	Maximum Profit in Job Scheduling	Solve
Mark Flatten 2D Vector completed	Flatten 2D Vector	Solve
Mark Maximum Candies You Can Get from Boxes completed	Maximum Candies You Can Get from Boxes	Solve
Mark Smallest Common Region completed	Smallest Common Region	Solve
Mark Design Excel Sum Formula completed	Design Excel Sum Formula	Solve
Mark Palindrome Pairs completed	Palindrome Pairs	Solve
Mark Pour Water completed	Pour Water	Solve
Mark Sliding Puzzle completed	Sliding Puzzle	Solve
Mark Intersection of Two Linked Lists completed	Intersection of Two Linked Lists	Solve
Mark Alien Dictionary completed	Alien Dictionary	Solve
Mark Simple Bank System completed	Simple Bank System	Solve
Mark Contains Duplicate II completed	Contains Duplicate II	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve
Mark Add Two Numbers completed	Add Two Numbers	Solve
Mark Employee Free Time completed	Employee Free Time	Solve
Mark IP to CIDR completed	IP to CIDR	Solve
Mark Shortest Uncommon Substring in an Array completed	Shortest Uncommon Substring in an Array	Solve
Mark Word Search II completed	Word Search II	Solve
Mark Add Strings completed	Add Strings	Solve
Mark Basic Calculator II completed	Basic Calculator II	Solve
Mark Cheapest Flights Within K Stops completed	Cheapest Flights Within K Stops	Solve
Mark Contains Duplicate completed	Contains Duplicate	Solve
Mark Contains Duplicate III completed	Contains Duplicate III	Solve
Mark Convert Sorted Array to Binary Search Tree completed	Convert Sorted Array to Binary Search Tree	Solve
Mark Convert to Base -2 completed	Convert to Base -2	Solve
Mark Design File System completed	Design File System	Solve
Mark Happy Number completed	Happy Number	Solve
Mark House Robber completed	House Robber	Solve
Mark Maximal Square completed	Maximal Square	Solve
Mark Merge k Sorted Lists completed	Merge k Sorted Lists	Solve
Mark Minimize Rounding Error to Meet Target completed	Minimize Rounding Error to Meet Target	Solve
Mark Minimum Number of Flips to Convert Binary Matrix to Zero Matrix completed	Minimum Number of Flips to Convert Binary Matrix to Zero Matrix	Solve
Mark Minimum Number of Vertices to Reach All Nodes completed	Minimum Number of Vertices to Reach All Nodes	Solve
Mark Mini Parser completed	Mini Parser	Solve
Mark Number of Ways to Build House of Cards completed	Number of Ways to Build House of Cards	Solve
Mark Pyramid Transition Matrix completed	Pyramid Transition Matrix	Solve
Mark Regular Expression Matching completed	Regular Expression Matching	Solve
Mark Reverse Bits completed	Reverse Bits	Solve
Mark Robot Bounded In Circle completed	Robot Bounded In Circle	Solve
Mark Shopping Offers completed	Shopping Offers	Solve
Mark Single Number completed	Single Number	Solve
Mark Strings Differ by One Character completed	Strings Differ by One Character	Solve
Mark Two Sum completed	Two Sum	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Minimum Window Substring completed	Minimum Window Substring	Solve
Mark Combination Sum completed	Combination Sum	Solve
Mark Accounts Merge completed	Accounts Merge	Solve
Mark Subarray Product Less Than K completed	Subarray Product Less Than K	Solve
Mark Design Tic-Tac-Toe completed	Design Tic-Tac-Toe	Solve

Showing the 50 highest-frequency questions from 63 reported in this period.