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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
1.5k
Companies
980
Updated
11.12.2026
1.5k Questions 980 Companies11.12.2026
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
Google logo
GoogleAmazonBloomberg

Also asked at Bloomberg, Microsoft, Samsung, Meta, Infosys, Apple, Texas Instruments

Hard
Software Engineer

Find Every Concatenation Starting Index

Problem You receive a string text and an array of strings pieces. Every piece has the same positive length. Return every zero-based starting index in ...

Coding & AlgorithmsTwo Pointers & Sliding WindowArrays & Strings
6
0
37 people solved
Hudson River Trading logo
Hudson River Trading
Easy
Software Engineer Locked

Maximize Item Counts Under Suffix Budget Queries

Answer suffix-budget shopping queries by finding the largest affordable item count, allowing nonconsecutive choices and treating each query independen...

Coding & AlgorithmsGreedySorting
34
0
325 people solved
Sep 11, 2026
Walmart Labs logo
Walmart Labs
Medium
Software Engineer

Shortest Contiguous Team From Each Start Covering K Distinct Subjects

A teacher is taking a line of contestants, called talents, to a series of competitions. Each talent is strong in exactly one subject, given as an inte...

Coding & AlgorithmsTwo Pointers & Sliding Window
1
0
15 people solved
Nov 7, 2026
Pinterest logo
Pinterest
Hard
Software Engineer Locked

Fewest Subsequences of a Source String That Concatenate to a Target String

Given a source string and a target string, return the fewest subsequences of the source whose concatenation equals the target, or -1 when the target c...

Coding & AlgorithmsGreedyTwo Pointers & Sliding Window
31
1
277 people solved
Sep 19, 2026
Google logo
GoogleAmazonBloomberg

Also asked at Bloomberg, Meta, Microsoft, Yandex, TCS, Infosys, Adobe

Easy
Software Engineer

Remove Chosen Values from an Array Prefix

Problem Given the integer array nums and integer val, remove every occurrence of val in place. Return the number k of elements whose values differ fro...

Coding & AlgorithmsTwo Pointers & Sliding Window
5
0
34 people solved
Fireworks logo
Fireworks
Medium
Software Engineer

Detect Security Attacks in Text Logs Using Sliding-Window Rules

You are given a large collection of text-format log lines describing network connections, and a set of rules that define security attacks. Write a pro...

Software Engineering FundamentalsTwo Pointers & Sliding WindowTesting & Quality
10
2
126 people solved
Oct 10, 2026
Oracle logo
Oracle
Medium
Software Engineer

Shortest Subarray Whose Distinct-Value Sum Reaches a Target

Given an array of positive integers nums and a positive integer target, return the length of the shortest contiguous subarray whose distinct sum is at...

Coding & AlgorithmsTwo Pointers & Sliding Window
8
1
72 people solved
Oct 15, 2026
Confluent logo
Confluent
Easy
Software EngineerNew Grad

Count Length-k Windows That Are Strictly Increasing

Given an integer array nums and an integer k, count the contiguous windows of exactly k elements whose values are strictly increasing from left to rig...

Coding & AlgorithmsTwo Pointers & Sliding Window
0
0
13 people solved
Nov 5, 2026
Pinterest logo
Pinterest
Medium
Machine Learning EngineerIntern

Find All Strict Local Maxima in an Integer Array

Given an integer array, return the indices of all of its local maxima. The report says only that the task was to find a local maximum in an array; thi...

Coding & AlgorithmsArrays & Strings
4
0
40 people solved
Oct 14, 2026
J.P. Morgan logo
J.P. Morgan
Medium
Software Engineer

Count requests dropped when incoming requests exceed available server threads

A server receives a sequence of events, given as an integer array events and processed from left to right: - A positive value k means k new threads be...

Coding & AlgorithmsSimulation & State Machines
15
0
111 people solved
Oct 6, 2026
Rippling logo
Rippling
Hard
Software Engineer Locked

Evaluate Expense and Trip-Level Rules as Data

Evaluate configurable expense and trip-sum rules using exact cents, reusable typed predicates, strict thresholds, multiple flags, and deterministic re...

Coding & AlgorithmsParsing & InterpretersCode Quality & Maintainability
63
0
696 people solved
Sep 11, 2026
Stripe logo
Stripe
Medium
Software Engineer

Payout Scheduler: Fixed Intervals, Per-Merchant Schedules and Hold Periods

You are building the payout calculation for a payments platform. Merchants accept transactions, and the platform periodically pays the accumulated mon...

Software Engineering FundamentalsMath & Number Theory
2
0
20 people solved
Oct 25, 2026
Walmart Labs logo
Walmart Labs
Easy
Software Engineer

Splice a Second Linked List into the First Between Positions n and y

You are given two singly linked lists. Splice the second list into the first: the n-th node of the first list links to the head of the second list, an...

Coding & AlgorithmsLinked Lists
1
0
13 people solved
Nov 6, 2026
Google logo
GoogleAmazonAirbnb

Also asked at Airbnb, Capital One, Hive, Meta, Robinhood, TikTok, Visa, Karat, Anyscale, Roblox, Uber, Atlassian, Microsoft, Sentry.Io, BCG

Hard
Software Engineer

Justify Greedy Lines to an Exact Width

Problem Format the nonempty array words into lines of exactly maxWidth characters. Keep the words in their given order and put as many words as possib...

Coding & AlgorithmsArrays & StringsGreedy
7
0
48 people solved
Amazon logo
AmazonGoogleMeta

Also asked at Meta, IBM, TCS, Microsoft, Bloomberg, Adobe, Walmart Labs, Booking.com, Verkada, Infosys, LinkedIn, Oracle, Wix, Swiggy, Palo Alto Networks

Medium
Software Engineer

Encode an Integer with Standard Roman Symbols

Problem Convert the integer value into its standard Roman-numeral representation. Write the decimal place contributions from largest to smallest, usin...

Coding & AlgorithmsMath & Number TheoryGreedy
5
0
41 people solved
Ramp logo
Ramp
Medium
Software Engineer Locked

Spreadsheet String Concatenation with Dependent Cells

Build a fixed-grid string spreadsheet with concatenation formulas, dependency updates, repeated references, and read-time circular-reference errors.

Coding & AlgorithmsGraphsArrays & Strings
18
0
342 people solved
Sep 18, 2026
Rippling logo
Rippling
Medium
Software Engineer

Design a Camel Cards hand evaluator and find best and worst completions

Camel Cards is played with hands of exactly five cards. Every hand belongs to exactly one of seven hand types, and each type has a fixed weight. From ...

Software Engineering FundamentalsLow-Level Design (OOP)Backtracking & Recursion
50
0
359 people solved
Sep 14, 2026
IBM logo
IBM
Hard
Software Engineer

Count Servers With No Requests in Each Query's Time Window

A system has n servers with ids 1 through n. You are given a request log in which each entry [server_id, time] records that server server_id received ...

Coding & AlgorithmsTwo Pointers & Sliding WindowSorting
1
0
14 people solved
Oct 25, 2026
Google logo
Google
Medium
Software EngineerSenior+

Total Reserved Seats per Flight After Many Range Bookings

There are n flights, numbered 1 to n. Each booking reserves the same number of seats on every flight in a consecutive range: a booking [first, last, s...

Coding & AlgorithmsArrays & Strings
1
0
14 people solved
Oct 25, 2026
Amazon logo
Amazon
Medium
Software Engineer

Stack Whose Pop Removes the Most Frequent Value, Ties Broken by Recency

A frequency stack holds integers and supports two operations: - push x: place x on top of the stack. - pop: remove and return the value that occurs mo...

Coding & AlgorithmsData Structure DesignStacks & Queues
32
0
347 people solved
Oct 2, 2026
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