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Amazon DSA interview questions

37 curated problems whose own source page tags Amazon, grouped by topic and ordered easiest first. Heaviest on Graph, Dynamic Programming.

Easy
2
Medium
28
Hard
7
Topics
14

How the Amazon list compares with all 370 problems

Top topics here vs all problems

  • Graph: 9 of 37 here (24%), 13% across all 370
  • Dynamic Programming: 6 of 37 here (16%), 14% across all 370
  • Arrays: 3 of 37 here (8%), 9% across all 370
  • Binary Trees: 3 of 37 here (8%), 9% across all 370
  • Greedy: 3 of 37 here (8%), 4% across all 370

Difficulty mix vs all problems

  • Easy: 2 of 37 here (5%), 22% across all 370
  • Medium: 28 of 37 here (76%), 64% across all 370
  • Hard: 7 of 37 here (19%), 14% across all 370

Most similar companies

The companies whose problems are spread across topics most like this list.

MicrosoftFlipkartMorgan Stanley

Every Amazon-tagged problem, by topic

Graph(9)

Undirected Graph CycleMediumDirected Graph CycleMediumTopological Sort (DFS)MediumTopological Sort (BFS - Kahn's)MediumBellman FordMediumMinimum Spanning Tree (Prim's)MediumMinimum Spanning Tree (Kruskal's)MediumTopological Sort (Kahn's Algorithm)MediumMaximum Connected with One ChangeHard

Dynamic Programming(6)

0 - 1 Knapsack ProblemMediumSubset Sum ProblemMediumCount Subsets with SumMediumKnapsack with Duplicate ItemsMediumBoolean ParenthesizationHardMaximum Sum SubmatrixHard

Arrays(3)

Reverse ArrayEasyArray LeadersEasyLongest Subarray with Sum KMedium

Binary Trees(3)

Bottom View of Binary TreeMediumIsomorphic TreesMediumBurning TreeHard

Greedy(3)

Activity SelectionMediumMinimum PlatformsMediumActivity Selection (N Meetings)Medium

Sorting(3)

Merge SortMediumQuick SortMediumCount InversionsMedium

BST(2)

Binary Tree to DLLHardLargest BST SubtreeHard

Sliding Window(2)

Count Occurrences of AnagramsMediumLongest Substring with K UniquesMedium

Backtracking(1)

Rat in a MazeMedium

Binary Search(1)

Allocate Minimum PagesMedium

Bit Manipulation(1)

Unique Number IIMedium

Queue(1)

Stream First Non-repeatingMedium

Recursion(1)

Josephus problemHard

Stack(1)

Stock Span ProblemMedium

Roles these problems are core for

The roles whose interview loops lean hardest on the topics Amazon tags most.

SDE / Software EngineerComputer Vision EngineerCompiler / PL EngineerSite Reliability EngineerBackend Engineer

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Amazon interview questions, answered

How many DSA problems are asked at Amazon?

37 of the 370 curated problems carry a verified Amazon tag: 2 easy, 28 medium and 7 hard. That is the tagged subset, not a claim about every question Amazon has ever asked.

Which topics does Amazon focus on?

Across the tagged problems the biggest topics are Graph, Dynamic Programming, Arrays; Graph alone accounts for 9 of the 37. Start there, then cover the smaller topics on this page.

Which sheet covers Amazon questions?

The Amazon problems here are drawn from Apna College, Love Babbar 450, Striver A2Z. Each problem page lists the sheets it appears in, and progress on a problem counts across every sheet that contains it.

Is this list official?

No. Amazon does not publish its interview questions. These tags are community-reported and were taken only from each problem's own public problem page, never copied from unverified "company-wise" lists, so the list is honest but incomplete. See the About page for how the dataset is built.

Other companies

Microsoft (43)Flipkart (23)Samsung (14)Adobe (11)Google (11)NPCI (11)MakeMyTrip (9)Morgan Stanley (9)Accolite (8)Cisco (7)D-E-Shaw (5)

Problem set and company tags as of .