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Algorithm Interview Questions
Algorithm problems from coding interviews. Practice explaining your approach, its complexity and the edge cases before you write code.
Showing 10 of 112 questions
Uber
Transform a matrix into a quad tree.
Medium
algorithms
Decode Message
Medium
algorithms
Amazon
Identify the highest product of two integers within an array.
Medium
algorithms
Least Recently Used (LRU) Cache
Medium
algorithms
Meta (Facebook)
Create a data structure that allows for insertion, deletion, searching, and retrieval operations to be performed in constant time.
Medium
algorithms
Meta (Facebook)
Determine the length of the most concise chain (word ladder).
Medium
algorithms
Given an nxn grid consisting of 1s and 0s, return the total count of islands present in the input.
Medium
algorithms
Meta (Facebook)
For a Directed Acyclic Graph (DAG), create a function that calculates and returns the length of the longest path.
Medium
algorithms
Apple, Dropbox
You possess the stock price information for the upcoming n days. Since you are allowed to buy or sell a maximum of one share each day, your goal is to maximize your profit at the end of n days.
Medium
algorithms
Dropbox
Smallest Substring Containing All Characters
Medium
algorithms
Product
Audiences
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