Amazon Coding Interview Questions

These are the 34 Amazon coding interview questions AceOffer has reconstructed from candidate reports, sorted by how often each was reported. AI-Assisted Debugging OA: Format, Strategy and Reported Repos leads at 29×. Every question shows when it was last reported; the catalog refreshes monthly.

Part of the full catalog of Amazon interview questions, covering every round.

Key facts

•34 distinct coding questions indexed
•216 candidate reports across those questions
•Most reported: AI-Assisted Debugging OA: Format, Strategy and Reported Repos — 29× (last seen October 2026)
•Refreshed monthly · last updated October 2026

Which Amazon rounds ask coding questions?

Amazon draws coding questions from the rounds below. Counts are distinct questions, not times asked.

LeetCode-style problems and Amazon reskins: course schedule and dependency ordering, top-k frequent, LRU cache, lowest common ancestor, meeting rooms, union-find, islands, plus a Linux find implementation and a rate limiter.20 questions

Most reported: Course Schedule and Dependency Ordering (Topological Sort) — 16×

Often two coding tasks in about 100 minutes: an algorithm problem (drone routing around a circular hub, placing a delivery center on a grid, the most money in K consecutive bags), then debugging a repository with an AI assistant. Plus a work simulation and a work-style survey.11 questions

Most reported: AI-Assisted Debugging OA: Format, Strategy and Reported Repos — 29×

Coding screens: out-of-order package IDs, arranging package weights, LeetCode-style problems such as two sum, and for frontend roles a React grid of wrapping boxes, with Leadership Principle questions alongside.3 questions

Most reported: Arrange Packages So Adjacent Weights Sum Below 10 — 2×

Which Amazon coding questions get asked most?

Sorted by candidate-report frequency. Click any question for the full breakdown.

Question	Round	Reported	Last seen
AI-Assisted Debugging OA: Format, Strategy and Reported ReposFree Since January 2026 many Amazon SDE online assessments end the coding section with a task in a code repository, done with a…	OA	29×	October 2026
Work Simulation and Work Style SurveysFree After the coding section, Amazon's SDE online assessment has two multiple-choice parts: the Work Simulation and the Work Style surveys. 26 candidate…	OA	26×	October 2026
Course Schedule and Dependency Ordering (Topological Sort)Free The round: 16 reports between October 2025 and September 2026, from intern, new-grad, SDE II, L5, MLE and senior Applied Scientist loops,…	Coding	16×	September 2026
Top K Frequent Elements and Amazon Top-K Variants The round: LeetCode 347, Top K Frequent Elements, is the most common form, reported in onsite rounds, phone screens and intern loops…	Coding	13×	October 2026
Drone Delivery Around a Circular Hub RouteFree The round: Amazon's online assessment pairs one traditional coding question with an AI-assisted debugging task in a code repository. Two reports put…	OA	9×	September 2026
AI-Assisted Debugging OA: The Movie Database AppFree Amazon's online assessment ends its coding section with a 60-minute debugging task in an existing repository, and one of the repos candidates…	OA	9×	September 2026
Lowest Common Ancestor (Binary Tree, BST, Org Chart) The round: eight Amazon reports, October 2025 to October 2026, from intern, new-grad, experienced-hire and L6 loops. Four are the plain version:…	Coding	8×	October 2026
Connected Components and Union-Find The round: seven Amazon reports, November 2025 to September 2026, every one a different face of the same tool: find connected components,…	Coding	7×	September 2026
Add One Delivery Center to Minimize Grid InconvenienceFree The round: the coding half of Amazon's online assessment; the other half is an AI-assisted task in a code repository, usually debugging.…	OA	7×	September 2026
LRU Cache (and Open-Ended In-Memory Cache) The round: six reports, all from 2026. Four candidates (two interns, an SDE I and an SDE II in a phone screen)…	Coding	6×	October 2026
Meeting Rooms I, II and III (Interval Overlap) The round: the LeetCode meeting-rooms family, in six reports from November 2025 to September 2026. An intern was asked Meeting Rooms I,…	Coding	6×	September 2026
Maximum Money in K Consecutive Bags (Sparse Segments)Free The round: the coding half of Amazon's online assessment (40 minutes in two reports), next to an AI-assisted debugging task. Six candidates…	OA	6×	October 2026
AI-Assisted Debugging OA: The Jira-Like Issue TrackerFree Amazon's online assessment ends its coding section with a 60-minute debugging task in an existing repository, and one of the repos candidates…	OA	6×	October 2026
Implement Linux find: Search Files by Criteria The round: five reports, from October 2025 to September 2026, an object-oriented coding question asked of NG, SDE I and SDE II…	Coding	5×	September 2026
Rate Limiter (OOD Coding) The round: four coding reports from 2026, all short; two call the round OOD. An intern (AWS team) was given a three-or-four-sentence…	Coding	5×	September 2026
Merge Intervals The round: LeetCode 56, Merge Intervals, in five reports from October 2025 to June 2026: an Applied Scientist phone screen, a science-breadth…	Coding	5×	June 2026
Number of Islands and Follow-Ups The round: five Amazon reports, October 2025 to October 2026. An intern loop had number of islands and a new-grad onsite had…	Coding	5×	October 2026
Weighted Random Generator and Lottery Winners The round: a weighted random value generator, from four reports between January and August 2026 in three shapes. An internal-transfer coding round…	Coding	4×	August 2026
Two Sum: Unique Pairs, In-Flight Movies and 3Sum The round: four reports, December 2025 to July 2026. An SDE II phone screen (May 2026) posted the prompt in English, quoted…	Coding	4×	July 2026
Minimum Replacements to Make Every Value ContiguousFree The round: the coding half of Amazon's online assessment (one new-grad report gives it 40 minutes), next to an AI-assisted task in…	OA	4×	August 2026
Word Search I and II The round: LeetCode 79 (Word Search) and LeetCode 212 (Word Search II), in three reports from intern and new-grad loops, May to…	Coding	3×	September 2026
Most Frequent Page Sequence in Visit Logs (LC 1152 Variant) The round: two Amazon onsite reports from July and September 2026 (a new-grad onsite, round 1 with the hiring manager, and an…	Coding	3×	September 2026
Longest Substring Without Repeating Characters The round: LeetCode 3, Longest Substring Without Repeating Characters, in three reports. An onsite in December 2025 opened with it as LeetCode…	Coding	3×	September 2026
Package Installer with Dependency Resolution The round: a package installer that respects dependencies, in three reports posted from January to August 2026: a phone screen whose candidate…	Coding	3×	August 2026
Morse Code Encoding, Decoding and Segmentation The round: Morse code, in three reports posted from November 2025 to March 2026. Two shapes are reported: - Four progressive parts…	Coding	3×	March 2026
Merge K Sorted Arrays and Event Streams The round: merging sorted inputs, in three onsite reports from June to September 2026, each asking a different shape. In one five-round…	Coding	3×	September 2026
Merge Two Branches with the Fewest Commit ConflictsFree The round: the coding half of Amazon's online assessment, next to an AI-assisted debugging task in a code repository. Three candidates reported…	OA	3×	September 2026
Inventory Allocation by Bid PriorityFree The round: the coding half of Amazon's online assessment, next to an AI-assisted task in a code repository. Three candidates had it…	OA	3×	August 2026
Out-of-Order Package IDs: Last Contiguous ID and Missing IDs The round: an Amazon phone-screen question in two reports from August 2026, one of them an AWS phone screen (posted as a…	Phone Screen	2×	August 2026
Arrange Packages So Adjacent Weights Sum Below 10 The round: an Amazon phone-screen question in two reports from August 2026, one from an L4 phone screen (rejected) and one from…	Phone Screen	2×	August 2026
React Box Grid with Wrapping, Pagination and Accessibility The round: Two reports of an Amazon frontend phone screen, from threads posted in November 2025 and January 2026. One is a…	Phone Screen	2×	January 2026
Oldest One-Time Visitor The round: an Amazon coding question in two reports, both intern interviews, from February and April 2026. One candidate posted the full…	Coding	2×	April 2026
Autocomplete Search Bar (Frontend) The round: Two frontend reports, from July and August 2026. In the first, a candidate was asked to build an autocomplete search…	Coding	2×	August 2026
Maximize Shipment Order: Sort One WindowFree The round: the coding half of Amazon's online assessment (40 minutes in one report), next to an AI-assisted debugging task. Two candidates…	OA	2×	October 2026

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FAQ

How many coding questions does Amazon ask?▾

AceOffer has reconstructed 34 distinct Amazon coding interview questions from 216 verified candidate reports, each with verbatim follow-ups and a last-reported date.

What is the most common Amazon coding interview question?▾

AI-Assisted Debugging OA: Format, Strategy and Reported Repos — reported 29 times, last seen October 2026.

How fresh is AceOffer's Amazon coding question data?▾

The catalog is refreshed monthly from new candidate reports, and every question shows when it was last reported.

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