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Solution: Equal Rational Numbers

Understand how to compare two rational numbers given as strings, including those with repeating decimals, by converting them into reduced fractions. Explore the algebraic approach to handle integer, non-repeating, and repeating parts, enabling accurate equality checks in coding interviews.

Statement

Given two strings s and t, each representing a non negative rational number, return true if and only if they represent the same number. The strings may use parentheses to denote the repeating part of the rational number.

A rational number can be represented using up to three parts: <IntegerPart>, <NonRepeatingPart>, and <RepeatingPart>. The number will be expressed in one of the following three formats:

  • <IntegerPart>

    • For example, 1212 ...