Java Code Implementation For All Unique Permutations

This is a common question asked in interviews of Microsoft, Google & Facebook. You might have stumbled upon this question in LeetCode or InterviewBit. Given a collection of numbers that might contain duplicates, return all possible unique permutations. Input: nums = [1,1,2] Output: [[1,1,2],  [1,2,1],  [2,1,1]] Here is the working solution for this problem in … Read more

How To Find Recurring Sequence In A Fraction

We are here to solve a LeetCode problem “166. Fraction to Recurring Decimal“. The problem states that: Given two integers representing the numerator and denominator of a fraction, return the fraction in string format. If the fractional part is repeating, enclose the repeating part in parentheses. Non-repeating Sequence Example: Input: numerator = 1, denominator = … Read more