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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
476
Companies
980
Updated
11.10.2026
476 Questions 980 Companies11.10.2026
PLTCHK testimonial
PLTCHK

"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"

_The_TaNk_ testimonial
_The_TaNk_

"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"

Chris testimonial
ChrisSenior SWE, LinkedIn

"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."

sleepy33 testimonial
sleepy33

"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."

Jake testimonial
JakeSenior ML Engineer, Lyft

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

nuggetlord testimonial
nuggetlord

"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."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
boba.tea.vibes

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

Andy testimonial
AndySWE-II, Google

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

couchpotato99 testimonial
couchpotato99

"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."

Shruti testimonial
ShrutiData Engineer, Salesforce

"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."

midnightramen testimonial
midnightramen

"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."

Bianca testimonial
BiancaFrontend Eng, Figma

"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."

tambrahm007 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
toa

"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."

PLTCHK testimonial
PLTCHK

"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"

_The_TaNk_ testimonial
_The_TaNk_

"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"

Chris testimonial
ChrisSenior SWE, LinkedIn

"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."

sleepy33 testimonial
sleepy33

"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."

Jake testimonial
JakeSenior ML Engineer, Lyft

"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."

nuggetlord testimonial
nuggetlord

"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."

Carlos testimonial
CarlosFull Stack, Shopify

"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."

boba.tea.vibes testimonial
boba.tea.vibes

"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."

Andy testimonial
AndySWE-II, Google

"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."

couchpotato99 testimonial
couchpotato99

"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."

Shruti testimonial
ShrutiData Engineer, Salesforce

"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."

midnightramen testimonial
midnightramen

"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."

Bianca testimonial
BiancaFrontend Eng, Figma

"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."

tambrahm007 testimonial
tambrahm007

"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."

toa testimonial
toa

"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."

Showing 20 results
Imbue logo
Imbue
Hard
Software Engineer

Max Score of an Alternating Left-Right Walk Over a Row of Signed Cells

A row of n cells holds integer values, some of which may be negative. A token starts on the leftmost cell with a score of 0. You make at most k moves....

Coding & AlgorithmsDynamic Programming
3
0
21 people solved
Oct 6, 2026
Quora logo
Quora
Easy
Software EngineerNew Grad

Zigzag diagonal walk through a matrix from a chosen left-column start

Walk through a matrix along its diagonals in a zigzag. The walk only ever moves in two directions, up-right and down-left; when the next step would le...

Coding & AlgorithmsGrids & MatricesSimulation & State Machines
0
0
4 people solved
Nov 5, 2026
Jane Street logo
Jane Street
Medium
Software Engineer

Implement Connect Four with bottom push-up

Implement a Connect Four variant with bottom push-up. In standard Connect Four a dropped disc falls to the lowest empty cell of a column. In this vari...

Coding & AlgorithmsSimulation & State MachinesData Structure Design
228
1
2639 people solved
Sep 6, 2025
Databricks logo
Databricks
Medium
Software EngineerIntern

Design Tic-Tac-Toe and QPS data structures

You are given two independent coding problems that focus on data structure and API design. --- Problem 1: Generalized Tic-Tac-Toe Game with Simple AI ...

Coding & AlgorithmsData Structure DesignSimulation & State Machines
121
2
869 people solved
Nov 13, 2025
Easy
Software EngineerIntern Locked

Fewest Days to Read a Book When Chapters Cannot Be Split Across Days

Given the reading time available on each day and the time each chapter of a book takes, find the fewest days needed to read every chapter in order whe...

Coding & AlgorithmsGreedy
6
0
93 people solved
Sep 6, 2026
Google logo
Google
Medium
Software Engineer

Design a customer support agent dispatcher that handles mid-request breaks

Design and implement the core of a dispatcher for a customer support team. Customers contact support and wait for help. Human support agents sign in, ...

Software Engineering FundamentalsLow-Level Design (OOP)Simulation & State Machines
3
0
33 people solved
Sep 21, 2026
Waymo logo
Waymo
Medium
Software Engineer Locked

Does a Seven-Segment LED Digit Display Read the Same Rotated 180 Degrees?

Decide whether a row of digits on a seven-segment LED display reads the same after the whole display is rotated by 180 degrees. Tests modeling each di...

Coding & AlgorithmsArrays & Strings
7
0
62 people solved
Sep 10, 2026
Temu logo
Temu
Medium
Software Engineer

Spiral Order of a Matrix With Blocker Cells That Force Clockwise Turns

You are given an m x n matrix of integers. First, return all of its values in clockwise spiral order, from the outside in: start at the top-left cell,...

Coding & AlgorithmsGrids & MatricesSimulation & State Machines
5
0
53 people solved
Sep 22, 2026
Capital One logo
Capital One
Medium
Software Engineer Locked

Longest Straight-Line Robot Walk in a Grid with Forbidden Rows and Columns

A robot in a very large grid picks one direction and walks straight without turning, and some whole rows and columns destroy it if entered. Given the ...

Coding & AlgorithmsArrays & Strings
6
0
75 people solved
Sep 17, 2026
Hudson River Trading logo
Hudson River Trading
Medium
Software Engineer Locked

Simulate Players Moving Under a Watcher's Gaze

Simulate players advancing along a road while a moving watcher periodically reverses direction and freezes observed players. Follow the exact discrete...

Coding & AlgorithmsSimulation & State MachinesIntervals & Scheduling
52
2
565 people solved
Jul 8, 2026
Capital One logo
Capital One
Medium
Software Engineer Locked

Grid State After a Given Number of Days of Spoilage Spreading to Neighbors

A grid holds empty cells, fresh items and spoiled items, and each day spoilage spreads from every spoiled item to its edge-adjacent fresh neighbors. G...

Coding & AlgorithmsGrids & MatricesGraphs
6
0
67 people solved
Sep 17, 2026
Wise logo
WiseDatabricksMeta

Also asked at Meta, Amazon, Microsoft, Apple, Citadel, Airbnb, Waymo, Bloomberg, TikTok

Medium
Software Engineer

Track Tic-Tac-Toe Winners across Valid Alternating Moves

Problem Implement TicTacToe(int n) and move(row,col,player). The two players alternate, always choose a previously empty valid cell, and stop after a ...

Coding & AlgorithmsData Structure DesignSimulation & State Machines
3
0
28 people solved
Decagon logo
Decagon
Hard
Software Engineer Locked

Count Legal Tic-Tac-Toe Games from the Empty Board

Count every legal Tic-Tac-Toe game sequence from an empty board, treating different move orders as distinct and stopping immediately at the first win ...

Coding & AlgorithmsBacktracking & Recursion
60
0
464 people solved
Jul 17, 2026
Google logo
Google
Medium
Software Engineer

Shortest Path, Nodes on Any Shortest Path, and Whether Alice Can Evade Bob

You are given an undirected, unweighted graph with n nodes, numbered 0 to n - 1, and a list of edges. Alice stands at node a and needs to reach a targ...

Software Engineering FundamentalsGraphs
9
0
86 people solved
Sep 16, 2026
Databricks logo
Databricks
Hard
Software EngineerSenior+ Locked

Implement Generalized Tic-Tac-Toe

Implement generalized Tic-Tac-Toe for two players on a rectangular board with a configurable consecutive-mark winning length. Handle horizontal, verti...

Coding & AlgorithmsSimulation & State Machines
34
1
329 people solved
Jul 7, 2026
Airwallex logo
Airwallex
Medium
Software Engineer Locked

Design a Real-Time Robot Chase Game on a Weighted Terrain Grid

System design question on a server-authoritative real-time chase game where AI robots pathfind toward a player across a 500x500 weighted terrain grid....

System DesignMultiplayer Game SystemsGraphs
8
0
63 people solved
Sep 10, 2026
Asana logo
Asana
Medium
Software Engineer Locked

Model a Turn-Based Cats and Rabbits Board Game

Design the object model and move-validation flow for a two-player game on a 7 x 7 board. Make the API or object boundaries explicit, then cover invari...

Software Engineering FundamentalsLow-Level Design (OOP)Simulation & State Machines
14
0
173 people solved
Aug 6, 2026
Apple logo
AppleGoogleAmazon

Also asked at Amazon, Salesforce, NVIDIA, Microsoft, Bloomberg, PayPal, Meta, JPMorgan Chase, IBM, Uber, Visa

Easy
Software Engineer

Final Weight Under Heaviest-Pair Smashing

Problem Repeatedly take the two heaviest remaining stones. Equal weights both disappear; unequal weights x<y are replaced by one stone of weight y-x. ...

Coding & AlgorithmsHeaps & Priority QueuesSimulation & State Machines
1
0
14 people solved
Amazon logo
AmazonMetaMicrosoft

Also asked at Microsoft, Google, Bloomberg, Adobe, Anduril, Salesforce, Applied Intuition, Riotgames, Acorns

Medium
Software Engineer

Advance a Binary Life Board Simultaneously In Place

Problem Apply one Game of Life generation to board. Each cell has up to eight surrounding neighbors. A live cell survives with two or three live neigh...

Coding & AlgorithmsSimulation & State Machines
1
0
12 people solved
Waymo logo
Waymo
Medium
Software Engineer

Decide Whether a Vehicle Is Ready from Maintenance Open and End Events

A vehicle's maintenance log is a list of events. Each event either opens or ends a maintenance task of one type, such as oil or brake. The vehicle is ...

Coding & AlgorithmsSorting
4
0
31 people solved
Jul 19, 2026
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