Learning Center | interviewing.io
We helped write the sequel to "Cracking the Coding Interview". Read 9 chapters for free →
We've hosted 100K mock interviews and helped 10K engineers get jobs at great companies and negotiate way more money. Here's some useful material we've collected over the years, on interview prep, market data, and salary negotiation.
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Learning Center
Interview Guides
The Amazon Leadership Principles Interview Guide for Software Engineers
The definitive guide to Amazon Leadership Principles, by Amazon interviewers, based on data from 500 Amazon Leadership Principles interviews.
A Senior Engineer's Guide to the System Design Interview
Candidates often get overwhelmed with system design. We don’t blame them. There are literally hundreds of topics you can study when preparing for an interview. But does that mean that you should drop everything.
A Senior Engineer’s Guide to FAANG Interviews
We’ve talked to dozens of current & former FAANG interviewers & hiring managers to give you the most thorough rundown of interview processes at Google, Meta, and the rest of FAANG.
Technical Interview Resources
By Company
[Interview process
& questions](/content/guides/hiring-process/google/index.html)
[Watch 45
interview replays](/content/mocks?company=google/index.html)
[Interview process
& questions](/content/guides/hiring-process/meta-facebook/index.html)
[Watch 31
interview replays](/content/mocks?company=meta/index.html)
[Interview process
& questions](/content/guides/hiring-process/amazon/index.html)
[Watch 33
interview replays](/content/mocks?company=amazon/index.html)
[Interview process
& questions](/content/guides/hiring-process/microsoft/index.html)
[Watch 24
interview replays](/content/mocks?company=microsoft/index.html)
[Interview process
& questions](/content/guides/hiring-process/netflix/index.html)
[Watch 4
interview replays](/content/mocks?company=netflix/index.html)
[Interview process
& questions](/content/guides/hiring-process/apple/index.html)
[Watch 3
interview replays](/content/mocks?company=apple/index.html)
In-depth Solutions to Interview Questions
Walls and Gates
You are given a m x n 2D grid initialized with these three possible values. Fill each empty room with the distance to its nearest gate.
Decode String
Given an encoded string, return its decoded string.
Print Folder Structure
Given a list of file paths, print all of the files in each of the folders.
Odd Even Linked List
Given the head of a singly linked list, group all the nodes with odd indices together followed by the nodes with even indices, and return the reordered list.
Boundary of Binary Tree
The boundary of a binary tree is the concatenation of the root, the left boundary, the leaves ordered from left-to-right, and the reverse order of the right boundary.
LRU Cache
Implement an LRU Cache
We know exactly what to do and say to get the company, title, and salary you want.
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