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The Subarray Tally
A medium Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- medium
- Seniority
- mid, senior
Interview Prompt
A financial analytics tool counts how many contiguous sub-sequences of daily returns sum to exactly a target value. Write a function that takes a list of integers and a target integer k, and returns the number of contiguous subarrays whose values sum to exactly k.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your python solution with real code execution
- Get instant feedback and a hire/no-hire decision