Leetcode Problem 166. Fraction to Recurring Decimal

166. Fraction to Recurring Decimal

Leetcode Solutions

Check if the result is negative and store this information.
Convert both numerator and denominator to positive values to avoid dealing with negative numbers during division.
Perform an integer division of the numerator by the denominator to get the integral part of the result.
Calculate the initial remainder from the division.
If the remainder is 0, return the integral part as the result.
Initialize a hash table to keep track of remainders and their positions in the result string.
Use a loop to simulate the long division process: a. Multiply the remainder by 10. b. Perform integer division with the new remainder to get the next digit. c. Append the digit to the result string. d. Update the remainder. e. Check if the remainder is already in the hash table:
- If it is, insert parentheses at the corresponding position and break the loop.
- If it is not, add the remainder and its position to the hash table.
If the result is negative, add a '-' sign at the beginning.
Return the result string.

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