Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

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Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

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? Length of Last Word - Given a string s consisting of words and spaces, return the length of the last word in the string. A word is a maximal substring consisting …

Can you solve this real interview question? Running Sum of 1d Array - Given an array nums. We define a running sum of an array as runningSum [i] = sum (nums [0]…nums [i]). Return the running sum of …

Can you solve this real interview question? Asteroid Collision - We are given an array asteroids of integers representing asteroids in a row. The indices of the asteroid in the array represent their …

However, the trick really is to not use any additional space than what is already available to use. Sometimes, multiple passes over the input array help find the solution. However, there's an …

A linked list of length n is given such that each node contains an additional random pointer, which could point to any node in the list, or null. Construct a deep copy of the list. The deep copy should consist …