Question bank
4,310 interview questions, answered.
Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.
Easy 3Medium 44Hard 11
Filters · onDifficulty, topic, company
58 questions
- 1Merge IntervalsMediumCoding·
Blinkit, Docquity Holdings(PBS) - 2Longest Increasing SubsequenceMediumCodingAI ML·
Atlassian, Meta - 3Group anagramsMediumCoding·
Blinkit, MakeMyTrip - 4Course ScheduleMediumCoding·
Zoho - 5Given the root of a binary tree of integers, return the maximum path sum.MediumCoding·
Adobe, Apple - 6How would you build a tool to authenticate products sold on TikTok Shop?HardProduct·
TikTok - 7Define success for TikTok.MediumDataBehavioral·
TikTok - 8Design a currency exchange system.HardSystem designTechnical·
TikTok - 9Design the 'For You' page on TikTok.HardSystem design·
TikTok - 10Design a Retrieval-Augmented Generation (RAG) system to help TikTok’s content moderation team detect and handle misinformation.HardAI MLProduct·
TikTok - 11Design a typeahead box for a search engine.HardSystem design·
Adobe, Amazon - 12Design a washing machine for Google.HardProduct·
Google, TikTok - 13Design a key-value store.HardSystem design·
Accenture, Anthropic - 14How would you determine the success of Instagram search?MediumData·
TikTok - 15How would you enhance Google Maps for individuals with disabilities?MediumProduct·
TikTok - 16Estimate the number of mutual follows an average TikTok user has.HardProduct·
TikTok - 17Find a triplet in an array with a given sum.MediumCoding·
Adobe, Goldman Sachs - 18What metrics would you focus on as the PM for an e-commerce store?MediumData·
TikTok - 19How do you prioritize trade-offs?MediumBehavioralProduct·
Slack, TikTok - 20How would you leverage discovery features like search to acquire users for TikTok Shop?MediumProduct·
TikTok - 21Implement LRU Cache.HardCoding·
Accenture, Adobe - 22Tell me about a time when you had to deal with conflicting priorities with your stakeholders and how you secured alignment with them.MediumBehavioralProduct·
Amazon, Google - 23Find the maximum subarray sum.MediumCoding·
Adobe, Apple - 24Merge k sorted linked lists.HardCoding·
Adobe, Apple