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Triangle Validator

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 manufacturing QA system needs to verify which combinations of rod lengths from a batch can form valid triangles. Write a function called count_triangles that returns the number of unique triplets satisfying the triangle inequality - each rod used once per triplet, order doesn't matter.

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