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A Simple Fraction
Medium Accuracy: 48.0% Submissions: 15122 Points: 4

Given a fraction. Convert it into a decimal. 
If the fractional part is repeating, enclose the repeating part in parentheses.

 

Example 1:

Input: numerator = 1, denominator = 3
Output: "0.(3)"
Explanation: 1/3 = 0.3333... So here 3 is 
recurring.

Example 2:

Input: numerator = 5, denominator = 2
Output: "2.5"
Explanation: 5/2 = 2.5

 

Your Task:
You don't need to read or print anyhting. Your task is to complete the function fractionToDecimal() which takes numerator and denominator as input parameter and returns its decimal form in string format.

 

Expected Time Compelxity: O(k) where k is constant.
Expected Space Complexity: O(k)

 

Constraints:
1 ≤ numerator, denominator ≤ 2000

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A Simple Fraction

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