DSA & Coding Interview — free subject quizzes
16 free quizzes across the official DSA & Coding Interview subjects, each with instant scoring and a step-by-step solution for every question. Available in English.
ExamguruX DSA quizzes let you drill one area at a time — Arrays & Hashing, Linked Lists/Stacks/Queues, Trees & Graphs, or Recursion/Sorting/DP — the exact concepts product-company coding rounds test. Each quiz mixes output-prediction and complexity questions with an instant worked explanation.
Recursion, Sorting & Dynamic Programming — Quiz 1
Recursion, Sorting & Dynamic Programming — Quiz 2
Recursion, Sorting & Dynamic Programming — Quiz 3
Recursion, Sorting & Dynamic Programming — Quiz 4
Subjects these DSA & Coding Interview quizzes cover
Every official DSA & Coding Interview subject has its own set of quizzes, so you can drill one area at a time.
Why subject-wise quizzes work for DSA & Coding Interview
Product-company coding rounds are won by recognising the right pattern and its complexity fast. Short subject-wise quizzes are the best way to make each DSA area automatic — tracing an algorithm, choosing the right data structure, judging Big-O — before you sit full tests and then write real code on a judge. The same foundation carries across Amazon, Google, Microsoft, Flipkart and Adobe.
DSA & Coding Interview quizzes — frequently asked questions
Which DSA areas can I take quizzes in?
Arrays, Strings & Hashing; Linked Lists, Stacks & Queues; Trees, Graphs & Searching; and Recursion, Sorting & Dynamic Programming — each as its own short quiz, with time and space complexity woven throughout.
Do these quizzes replace writing real code?
No — they build the concepts, code-tracing and complexity skills fast, but real coding rounds require writing and running working programs on a judge. Use the quizzes first, then solve full problems.
Are the DSA quizzes free?
Yes — an introductory set in every area is free to attempt, each with an instant worked explanation. Deeper topic sets and full-length tests unlock once you get access to the exam.
Ready for the real thing?
Move from quizzes to full-length DSA & Coding Interview mock tests on the official pattern.

