The answer
Yes. A working core (minimum viable feature) scores higher than a perfect solution that is incomplete. Build the core first, get it working, then add features and polish if time remains.
Common Mistakes in the Machine Coding Round
Is a working core better than an unfinished perfect solution in the machine coding round?
More FAQs in Common Mistakes in the Machine Coding Round
Not reading the problem carefully, starting to code without a plan, building everything at once, ignoring edge cases, messy code, no CSS, not testing, spending too long on one feature, not communicating, and panicking.
Plan first (5-10 min), build core functionality first (50 min), handle edge cases (20 min), test and polish (10 min). Do not perfect one feature; move on. A working core is better than an unfinished perfect solution.
Yes. Explain what you are building, ask clarifying questions, and discuss trade-offs. The interviewer evaluates your thinking, not just your code. Communication is part of the evaluation.
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