Interview Questions
Practice the exact questions companies are asking right now.
"I got asked a hardcore MCM DP question and I saw it on PracHub as well. Solved that question in 5 minutes. Without PracHub I doubt I could solve it in 5 hours. Though somehow didn't get hired, perhaps I guess I solved it too fast? /s"
"Believe me i'm a student here jn US. Recently interviewed for MSFT. They asked me exact question from PracHub. I saw it the night before and ignored it cause why waste time on random sites. I legit wanna go back and redo this whole thing if I had chance. Not saying will work for everyone but there is certainly some merit to that website. And i'm gonna use it in future prep from now on like lc tagged"
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Design a real-time recommendation system
You are asked to design a real-time recommendation system for a large-scale consumer product (for example, recommending items or content to users in a...
Answer impact, disagreement, and motivation questions
You are in a 30-minute hiring-manager screen for a senior/staff-level individual contributor role. The manager asks several behavioral questions. Prov...
Design a feed ranking system
Design a machine-learning-based feed ranking system for a consumer product. The system should rank candidate posts or items for a user's home feed in ...
Compute exclusive CPU time from nested logs
You are given logs from a single-threaded CPU that runs n functions (IDs 0 to n-1). Each log entry is a string in the format: - "functionId:start:time...
Design a multi-carrier parcel delivery system
Design a system for shipping customer parcels that supports multiple delivery partners/carriers (e.g., UPS, USPS, FedEx). Your system should enable an...
Build a fraud detection model
Design a machine learning approach for detecting fraudulent transactions or user actions. Discuss: - How to define the prediction target and labels - ...
Simulate In-Place Cellular State Updates
You are given an m x n grid of cells, where each cell is either 0 for inactive or 1 for active. All cells update simultaneously according to these rul...
Evaluate Account-Partner Onboarding with Success Metrics
Evaluate Account-Partner Onboarding with Success Metrics Scenario DoorDash's account-partner team acquires new merchants onto the marketplace, and lea...
Design a Top-K Ranking Service
Design a service that returns the top K most frequent items for a configurable time window, such as the top 10 search queries in the last hour or the ...
Debug Queues and Solve Arrays
During the coding rounds, the interviewer asked several implementation problems: 1. Debug a priority queue. You are given an array-backed min-heap. Th...
Implement common neural network layers in PyTorch
Implement the following neural-network building blocks from scratch in PyTorch (using only basic tensor ops such as matmul, sum, mean, var, exp, max, ...
Propose and Validate a Mobile App Improvement
Assume you are working on a consumer mobile app. Propose one product improvement that could improve user engagement, retention, or conversion. Your an...
Why Anthropic and its values?
This interview evaluates culture fit, value alignment, and critical thinking for Anthropic. Prepare one coherent discussion that addresses all of the ...
Design a CI/CD system with live log streaming
System Design Prompt: CI/CD Platform (shell-script jobs) Design a CI/CD system that can: 1. Allow users to define pipelines consisting of multiple job...
Minimize Travel Assignment Cost
You are given n people who each need to travel to exactly one of two cities: San Francisco or New York. The input is an array costs, where costs[i] = ...
Implement a Time-Aware Task Manager
Design and implement an in-memory task management component. Each task belongs to one user. A task has a unique task ID, arbitrary task content, a cre...
Find the Best Commute Mode
You are given a 2D grid representing a city commute map. The grid contains exactly one start cell S and exactly one destination cell D. Each other cel...
Describe a Project End-to-End
Walk through one project you worked on in depth. Explain the business problem, your specific role, the technical approach, the main trade-offs, and ho...
Build House Price Model Responsibly
You are asked two machine-learning questions. Part A: House-price prediction Using a cleaned housing dataset with target sale_price, describe an end-t...
Explain a promotion and key project impact
You’re discussing your resume with an interviewer. - Describe a recent promotion (or strong performance review): what changed in scope/expectations, a...