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The Triplet Hunt

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
senior

Interview Prompt

Our constraint solver needs to find all unique triplets in a dataset that sum to a target value. Write a function called three_sum that takes a list of integers and a target k, returning all unique sorted triplets that sum to k. No duplicate triplets in the output.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your python solution with real code execution
  4. Get instant feedback and a hire/no-hire decision