How do you approach an unfamiliar problem analytically (problem-solving)?
Answer
- Understand: restate the problem, clarify inputs, outputs, constraints and edge cases; ask questions.
- Reproduce or measure: get facts (logs, a failing test, numbers) before guessing.
- Break it down: split into smaller parts; solve the simplest part first.
- Form hypotheses and test them one at a time, cheapest first; change one thing per experiment.
- Consider options and trade-offs (time, risk, maintainability) before choosing.
- Verify: tests, edge cases, review; document what you learned.
- Communicate your thinking aloud in interviews, even when stuck.
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