Your Dashboard
Interview Coaching
Learn
System Design
ML System Design
Code
Behavioral
Salary Negotiation
Interview Guides
Evaluate and Simplify Mathematical Expressions
Design an algorithm to parse, evaluate, and simplify mathematical expressions. The expressions may contain arithmetic operators (+, -, *, /), variables, and parentheses. Handle operator precedence correctly and support both numeric evaluation and algebraic simplification. The solution should efficiently handle complex expressions and multiple queries.
Asked at:
Meta
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
Late October, 2025
Meta
Senior
Early October, 2024
Junior
Simplify an expression with variables, operands (+ and -), and parentheses
Mid August, 2024
Meta
Staff
Given a string representing an arithmetic expression with only addition and multiplication operators, return the result of the calculation. For example, for "2*3+4", return 10
Comments
Hello Interview Premium
Your account is free and you can post anonymously if you choose.