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Implement an in-memory integer spreadsheet with literals, additive formulas, nested references, replacement updates, and zero-valued unset cells. Each read must reflect current definitions, with acyclic dependency chains reaching up to 1,000 cells.

  • medium
  • Harvey
  • Coding & Algorithms
  • Software Engineer

Implement an Integer Spreadsheet with Formulas

Company: Harvey

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Quick Answer: Implement an in-memory integer spreadsheet with literals, additive formulas, nested references, replacement updates, and zero-valued unset cells. Each read must reflect current definitions, with acyclic dependency chains reaching up to 1,000 cells.

Last updated: Jul 18, 2026
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