Programming Quizzes · new round available

Data Structures Quiz

DSA MCQs on arrays, linked lists, stacks, queues, trees, graphs, sorting and time complexity - the backbone of every coding interview and GATE paper.

6
questions / round
+150
XP per correct
~2 min
round time
adaptive levels

Skill map

Levels in this data structures quiz

1Arrays & Strings2Linked Lists3Stacks & Queues4Trees & BST5Graphs & Traversals6Sorting Algorithms7Big-O Complexity

Every question is generated fresh by AI and calibrated to your level - clear a level and the next one gets harder. Miss one and the AI tutor explains Data Structures & Algorithms until it sticks, then aims a follow-up at the gap. Want to grind one level? Start the quiz and type that sub-topic as your own.

Game rules

How a round works

  1. 01Spawn

    Press play - the AI generates Data Structures & Algorithms questions in seconds.

  2. 02Level up

    Answer to earn XP and build a streak. Difficulty adapts to your accuracy and speed.

  3. 03Learn or lose

    Every answer - right or wrong - gets an AI tutor explanation. Wrong answers respawn as follow-ups.

Leaderboard

Today's Data Structures & Algorithms podium

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Play a round to enter. Beat friends by hosting it live in multiplayer.+150 XP / correct

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Player's guide

Data Structures Quiz - FAQs

Does the quiz test time complexity?

Heavily - many questions give a code snippet or algorithm and ask for its Big-O, because complexity analysis is the most common DSA screening question.

Can this quiz replace coding practice?

No - pair it with actual problem solving. The quiz is best for drilling concepts, spotting gaps fast, and revising before an interview or the GATE exam.

Is the data structures quiz free?

Yes - completely free, with no sign-up required. Type a topic, press start, and the AI generates an adaptive Data Structures & Algorithms quiz with an explanation for every answer.

Can teachers host this data structures quiz live for a class?

Yes - create a free teacher account, host a live room on "Data Structures & Algorithms", and students join with a 6-character code at quff.in/join. No student accounts needed.

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Ready, player?

Six adaptive Data Structures & Algorithms questions. About two minutes. The podium is empty.

▶ Start round