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Grokking the Coding Interview Patterns in C++

Fraction to Recurring Decimal

Understand how to convert a fraction given by numerator and denominator into its string decimal representation. Learn to detect and enclose recurring fractional parts using hash maps, improving your skills in hashing techniques and handling repeating decimals in coding interviews.

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Statement

Given the two integer values of a fraction, numerator and denominator, implement a function that returns the fraction in string format. If the fractional part repeats, enclose the repeating part in parentheses.

Constraints:

  • denominator !=0!= 0
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