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Tech Interview Questions

Practice the exact questions companies are asking right now.

Questions
509
Companies
980
Updated
11.08.2026
509 Questions 980 Companies11.08.2026
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
Instacart logo
Instacart
Medium
Software Engineer

Evaluate a Target Variable from Assignments with Plus, Minus, Cycles and Conflicts

You are given a list of assignment equations, each of which assigns a value to one variable, and the name of a target variable. Compute the value of t...

Software Engineering FundamentalsGraphsParsing & Interpreters
1
0
14 people solved
Oct 10, 2026
Amazon logo
Amazon
Hard
Software Engineer

Most Fixed Points After Array Deletions

Most Fixed Points After Array Deletions You are given an integer array nums. In an array indexed from 0, an element is a fixed point when its value eq...

Coding & AlgorithmsDynamic ProgrammingBinary Search
0
0
9 people solved
Squarepoint logo
Squarepoint
Medium
Data Scientist

Compute drawdown, profit, and coin change

Question What is the maximum drawdown of a cumulative PnL (profit and loss) series, and when did it occur? Implement a function mdd(pnl) that returns ...

Coding & AlgorithmsArrays & StringsDynamic Programming
13
0
112 people solved
Aug 4, 2025
Tesla logo
Tesla
Medium
Software Engineer

Solve classic array, graph, and parsing problems

Implement and analyze solutions to the following independent tasks: 1) Expression evaluator: Given a string s of digits, '+', '-', '*', '/', and space...

Coding & AlgorithmsArrays & StringsParsing & Interpreters
19
0
150 people solved
Aug 14, 2025
Affirm logo
Affirm
Medium
Software Engineer

Determine winner in optimal-play card game

Determine winner in optimal-play card game Given a row of N cards with integer values (values may be positive, zero, or negative), two players alterna...

Coding & AlgorithmsDynamic Programming
36
2
293 people solved
Jul 15, 2025
Salesforce logo
Salesforce
Medium
Software Engineer

Find longest subsequence of x that is a substring of y

Given two strings x and y, compute the maximum length of a string s such that: - s is a subsequence of x (can delete zero or more characters from x wi...

Coding & AlgorithmsDynamic Programming
36
1
257 people solved
Nov 13, 2025
Airbnb logo
Airbnb
Medium
Machine Learning Engineer Locked

Minimize exact layover bookings

This question evaluates algorithmic problem-solving and numeric precision handling, specifically the ability to model exact-duration sums and minimize...

Coding & AlgorithmsDynamic Programming
19
1
134 people solved
Jan 5, 2026
Amazon logo
AmazonPinterestGoogle

Also asked at Google, Meta, Microsoft, Bloomberg, Myntra, Nuro, ServiceNow

Medium
Software Engineer

Count expressions reaching a target sum

Count expressions reaching a target sum Given an array of non-negative integers nums and an integer target T, assign either a + or − sign to each numb...

Coding & AlgorithmsDynamic ProgrammingBacktracking & Recursion
4
0
95 people solved
Microsoft logo
Microsoft
Medium
Software Engineer Locked

Implement Calendar, Tokenizer, and Meeting Optimizer

This question evaluates competencies in interval scheduling and overlap detection, custom string tokenization and parsing rules, and combinatorial opt...

Coding & AlgorithmsIntervals & SchedulingDynamic Programming
7
0
119 people solved
Feb 22, 2026
TikTok logo
TikTok
Easy
Data Scientist

Maximize watched duration under consecutive-sum limit

You have a list of videos in a feed. Video i has duration d[i] (positive integer). A user has an “attention span” limit A. You want to select a subset...

Coding & AlgorithmsDynamic Programming
15
0
124 people solved
Jan 17, 2026
Goldman Sachs logo
Goldman Sachs
Medium
Product Manager

Lottery Coupon Winners Calculation

Lottery Coupons: Most Frequent Digit-Sum Values Problem You are running a lottery with consecutively numbered coupons from $1$ to $n$ (inclusive). A c...

Product / Decision MakingDynamic Programming
21
0
300 people solved
Jul 4, 2025
Netflix logo
Netflix
Medium
Data Scientist

Implement longest increasing subarray with one deletion

Given an array of integers nums, return the length of the longest strictly increasing contiguous subarray you can obtain by deleting at most one eleme...

Coding & AlgorithmsDynamic ProgrammingArrays & Strings
28
0
194 people solved
Oct 13, 2025
Amazon logo
Amazon
Medium
Software Engineer

Maximize Forward Jumps to the Last Array Index

Maximize Forward Jumps to the Last Array Index You are given a 0-indexed integer array nums of length n and an integer target. Start at index 0. A jum...

Coding & AlgorithmsDynamic ProgrammingGraphs
1
0
9 people solved
Amazon logo
Amazon
Hard
Software Engineer

Minimum Cost of Nonoverlapping String Replacements

Minimum Cost of Nonoverlapping String Replacements You are given equal-length lowercase strings source and target, an array rules, and an equally size...

Coding & AlgorithmsDynamic ProgrammingString Algorithms
0
0
5 people solved
Snowflake logo
Snowflake
Medium
Software Engineer

Highest Total Profit from Non-Overlapping Jobs When Endpoints May Touch

Each job has a start time, an end time and a profit. Choose jobs that do not overlap in time so that the total profit is as large as possible. Functio...

Coding & AlgorithmsDynamic ProgrammingIntervals & Scheduling
3
0
23 people solved
Apr 28, 2026
Google logo
Google
Easy
Software Engineer

Compute max coins with 3-step token moves

You are given a one-dimensional board with n positions represented by a string s of length n: - . = empty cell - T = token - C = coin You may move tok...

Coding & AlgorithmsGreedy
36
0
247 people solved
Oct 16, 2025
Pinterest logo
Pinterest
Medium
Software Engineer

Decide target via subsequence plus/multiply expression

Question Given a sequence of positive 32-bit integers A and an integer target, determine whether there exists a subsequence of A (preserving order, us...

Coding & AlgorithmsBacktracking & Recursion
21
0
308 people solved
Sep 6, 2025
Apple logo
Apple
Medium
Accessories Software QA EngineerNew Grad

Design a Score for Imperfect Palindromes

Design a scoring method for how closely a string resembles a palindrome when it is not an exact palindrome. Identify the aspects of resemblance you wo...

System DesignArrays & StringsTesting & Quality
2
0
26 people solved
Mar 16, 2026
Amazon logo
Amazon
Hard
Software EngineerIntern

Return all valid word-break sentences

Given a string s and a dictionary of strings wordDict, insert spaces into s to form a sentence such that every token is in wordDict. Return all possib...

Coding & AlgorithmsBacktracking & Recursion
15
0
257 people solved
Jan 15, 2026
Snowflake logo
Snowflake
Hard
Software Engineer Locked

Minimize coins with overpay and change

This question evaluates algorithmic optimization and combinatorial reasoning in the coin-change domain, measuring proficiency with efficient numeric m...

Coding & AlgorithmsDynamic Programming
8
0
114 people solved
Mar 1, 2026
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