Medium and Hard Programming Questions from LeetCode. System Design and Scalability Questions (Improving overused api's performance) Object-Oriented Design How to test elevator and url?
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1. Print unique words sorted in order of length from a file. 2. Rotate an array 3. How threads work? How threads work in a single processor system?
If you converted, would you look to make this permanent.
use stack to pop out the max num under O(1)
find union and intersection for 2 arrays without using sets/other data structure
Given Coordinates, return N closest points to origin.
One of the logic questions involved determining whether someone was able to run a gas station given a list of requirements and a description of that person.
Asked question: Using an already implemented method Rand5() that generates a random integer between the ranges 1-5 uniformly. Using this method, implement a a new method that returns a random integer in the range 1-7 uniformly, i.e. Rand7(). Basically this is Rejection Sampling Algorithm. See http://leetcode.com/2010/11/rejection-sampling.html
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