Interview prep
Data Structures & Algorithms interview questions
Arrays, trees, graphs, dynamic programming and complexity analysis. Practise free with instant feedback, then test yourself in a timed exam.
Sample Data Structures & Algorithms questions
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Q1
What is recursion?
- A A searching method
- B A function calling itself
- C Repeating a loop forever
- D A sorting technique
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Q2
What is the essential component of a recursive function?
- A Base Case
- B Queue
- C Heap
- D Loop
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Q3
What happens if a recursive function has no base case?
- A Better memory usage
- B Compilation error always
- C Infinite recursion
- D Faster execution
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Q4
Which data structure is used implicitly in recursion?
- A Queue
- B Stack
- C Graph
- D Heap
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Q5
What is the base case in recursion?
- A Starting condition
- B Stopping condition
- C Search condition
- D Loop condition
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