Fraction to Recurring Decimal
Understand how to convert a fraction into its decimal representation, enclosing repeating parts in parentheses. Learn to use hash maps to track repeating sequences and solve optimization problems in this coding interview pattern.
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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-
numerator,denominator
Examples
Understand the problem
Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:
Fraction to Recurring Decimal
Select the correct answer for the fraction given below:
20/4
“2”
“3”
“4”
“5”
Figure it out!
We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.
Try it yourself
Implement your solution in the following coding playground.
package mainfunc fractionToDecimal(numerator int, denominator int) string {// Replace this placeholder return statement with your codereturn ""}