Amazon Coding & Algorithms Interview Questions
Amazon Coding & Algorithms interview questions focus heavily on data structures, algorithmic problem solving, and clear on-the-spot implementation. What’s distinctive is the combination of speed and depth: interviewers evaluate correctness, time and space complexity, edge-case handling, and the candidate’s ability to communicate a stepwise approach under time pressure. Expect array/string manipulation, trees/graphs, hashing, dynamic programming, and occasional system- or design-lite prompts for senior roles, with behavioral ties to Amazon’s leadership principles sometimes woven into technical rounds. Typical loops begin with one or two timed phone screens followed by an onsite or virtual loop of multiple interviews that mix pure coding, design (for higher levels), and behavioral assessment; a bar-raiser may appear to ensure hiring standards. For effective interview preparation, practice timed coding problems across core topics, run mock interviews that force you to verbalize decisions, write clean, testable code, and rehearse concise STAR-style stories that highlight ownership and impact. Developing pattern recognition for problem types and routinely reviewing complexity and edge cases will make your responses faster, safer, and more persuasive.

"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."
Find Paths Across a Weighted Binary Grid
Find Paths Across a Weighted Binary Grid Given an m by n binary grid, a cell with value 1 is traversable and 0 is blocked. Movement is allowed up, dow...
Merge Overlapping Intervals with a Sweep
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Minimize Replacements So Equal Product Values Are Contiguous
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Schedule Priority Jobs with Cooldowns
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Find the Most Frequently Used Meeting Room
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Compute the Minimum Number of Meeting Rooms
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Find the Lowest Common Ancestor in a Binary Tree
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Implement Multi-Player Tic-Tac-Toe
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Resolve Package Dependencies with Cycle Detection
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Track Missing Package IDs from Out-of-Order Receipts
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Circular Drone Hub Delivery Route
A drone delivery network is laid out as a ring of n hubs, numbered 0, 1, ..., n - 1. Each hub is connected by a direct air corridor to its two neighbo...
Determine Whether One Person Can Attend Every Meeting
Determine Whether One Person Can Attend Every Meeting Problem Implement canAttendAllMeetings(intervals) -> canAttend. Each meeting is a half-open inte...
Find the Single Value in a Sorted Array of Pairs
Find the Single Value in a Sorted Array of Pairs Problem Implement singleNonDuplicate(values) -> value. values is sorted in nondecreasing order. Exact...
Compute Edit Distance
Compute Edit Distance Given two strings, return the minimum number of single-character operations needed to transform the first string into the second...
Compute the Median After Each Stream Insertion
Compute the median after every insertion into an integer stream without repeatedly sorting the full prefix. Practice maintaining balanced data structu...
Find the Minimum Processing Rate to Meet a Deadline
Find the smallest integer processing rate that completes independent workloads before a deadline when unused hourly capacity cannot be shared. The pro...
Implement a Half-Open Interval Range Module
Implement a Half-Open Interval Range Module Implement a module that tracks subsets of the real-number line using half-open intervals [left, right). Pr...
Solve tree and DP problems
This coding round contained two algorithm questions: 1. Deepest shared ancestor in a binary tree You are given the root of a binary tree and two ...
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...
Solve two string problems
You are asked to solve the following two coding problems. 1. Count unique Morse code translations You are given an array of lowercase English w...