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Can you solve this real interview question? Permutations - Given an array nums of distinct integers, return all the possible permutations. You can return the answer ...

Can you solve this real interview question? Sort Characters By Frequency - Given a string s, sort it in decreasing order based on the frequency of the characters. The frequency of a character is the …

Can you solve this real interview question? Single Element in a Sorted Array - You are given a sorted array consisting of only integers where every element appears exactly twice, except for one element …

1. Please don't post any solutions in this discussion. 2. The problem discussion is for asking questions about the problem or for sharing tips - anything except for solutions. 3. If you'd like to share your …

Can you solve this real interview question? Min Stack - Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Implement the MinStack class: * MinStack() …

Can you solve this real interview question? Duplicate Zeros - Given a fixed-length integer array arr, duplicate each occurrence of zero, shifting the remaining elements to the right. Note that elements …

1. Please don't post any solutions in this discussion. 2. The problem discussion is for asking questions about the problem or for sharing tips - anything except for solutions. 3. If you'd like to share your …

So, we essentially need to find three numbers x, y, and z such that they add up to the given value. If we fix one of the numbers say x, we are left with the two-sum problem at hand!