Question 1

What is InterviewSkool?

Accepted Answer

InterviewSkool is an AI-powered mock interview platform that simulates real FAANG-style coding and system design interviews. An AI interviewer named Alex walks you through every stage: problem clarification, approach design, complexity analysis, coding, and hidden test suite evaluation for coding; requirements, architecture, and deep dives on a whiteboard for system design, and issues a hiring signal at the end.

Question 2

Does InterviewSkool support system design interviews?

Accepted Answer

Yes. Pick a problem (or go random) and a level: SDE-2, SDE-3, or Staff Engineer. You design on an interactive whiteboard while talking through requirements, architecture, and deep dives with Alex, and get a 0–100 score with per-parameter feedback and level readiness.

Question 3

How does the AI interviewer work?

Accepted Answer

Alex is an AI interviewer. It asks probing clarifying questions, validates your approach, challenges your complexity analysis, observes your code against hidden test cases in real time, and adapts its follow-up questions based on your answers, just like a real FAANG engineer would.

Question 4

Which companies does InterviewSkool prepare you for?

Accepted Answer

InterviewSkool currently supports Google, Meta, Amazon, Apple, Microsoft, and many more companies. Problems are sourced from real interviews at those companies and calibrated to the difficulty bar for SDE-1, SDE-2, and SDE-3+ levels.

Question 5

What programming languages can I use?

Accepted Answer

You can code in JavaScript, Python, Java, C++, or TypeScript. Pick the language you are most comfortable with.

Question 6

How is InterviewSkool different from LeetCode?

Accepted Answer

LeetCode is a problem bank, you solve problems alone and get a pass/fail. InterviewSkool simulates the actual interview conversation: Alex asks questions, challenges your reasoning, and evaluates how you communicate, not just whether your code passes. You get a hiring signal and 12-dimension feedback, not just test results.

Question 7

What is a hiring signal?

Accepted Answer

A hiring signal is the recommendation a real interviewer would make after your session: Strong Yes, Yes, Lean Yes, or No. InterviewSkool computes yours from 12 dimensions including code correctness, communication, DSA knowledge, and optimization mindset.

Question 8

How much does InterviewSkool cost?

Accepted Answer

InterviewSkool offers paid plans. Sign in with Google to see current pricing and get started.

Question 9

Is it Interview School or InterviewSkool?

Accepted Answer

InterviewSkool (one word, no space) is a distinct AI-powered mock interview platform at interviewskool.com. People sometimes search for it as 'Interview Skool' (two words), that's the same platform. InterviewSkool is NOT Interview School (interviews.school), which is a different career platform. InterviewSkool focuses on coding execution and technical system design with real-time voice AI.

Problem	Difficulty	Tags
Merge Intervals Full breakdown →	Medium	ArraySortingQuicksort
LRU Cache Full breakdown →	Medium	Hash TableLinked ListDesign
Number of Islands Full breakdown →	Medium	ArrayDepth-First SearchBreadth-First Search
Course Schedule Full breakdown →	Medium	Depth-First SearchBreadth-First SearchGraph Theory
Meeting Rooms II Full breakdown →	Medium	ArrayTwo PointersGreedy
Decode String Full breakdown →	Medium	StringStackRecursion
Longest Mountain in Array Full breakdown →	Medium	ArrayTwo PointersDynamic Programming
Spiral Matrix Full breakdown →	Medium	ArrayMatrixSimulation
Subsets Full breakdown →	Medium	ArrayBacktrackingBit Manipulation
Product of the Last K Numbers Full breakdown →	Medium	ArrayMathDesign
Rotate Array Full breakdown →	Medium	ArrayMathTwo Pointers
Cheapest Flights Within K Stops Full breakdown →	Medium	Dynamic ProgrammingDepth-First SearchBreadth-First Search
Possible Bipartition Full breakdown →	Medium	Depth-First SearchBreadth-First SearchUnion-Find
Fruit Into Baskets Full breakdown →	Medium	ArrayHash TableSliding Window
Gas Station Full breakdown →	Medium	ArrayGreedy
Find First and Last Position of Element in Sorted Array Full breakdown →	Medium	ArrayBinary Search
Path Sum III Full breakdown →	Medium	TreeDepth-First SearchBinary Tree
Number of Distinct Islands Full breakdown →	Medium	ArrayHash TableDepth-First Search
Count Number of Nice Subarrays Full breakdown →	Medium	ArrayHash TableMath
Partition Array for Maximum Sum Full breakdown →	Medium	ArrayDynamic Programming
Subarray Sums Divisible by K Full breakdown →	Medium	ArrayHash TablePrefix Sum
Search in Rotated Sorted Array Full breakdown →	Medium	ArrayBinary Search
Longest Substring with At Most K Distinct Characters Full breakdown →	Medium	Hash TableStringSliding Window
Single-Threaded CPU Full breakdown →	Medium	ArraySortingHeap (Priority Queue)
Basic Calculator II Full breakdown →	Medium	MathStringStack
Binary Tree Right Side View Full breakdown →	Medium	TreeDepth-First SearchBreadth-First Search

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