Two Sum and Its Variants
Problem Statement Given an array of integers nums and an integer target, return indices of the two …
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Random Linked List Node
Problem Statement Given a singly linked list, return a random node’s value from the linked …
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Single Number
Single Number Given a non-empty array of integers nums, every element appears twice except for one. …
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Prime Factorization of a Number
Problem Statement How do we find all the prime factors of a given number? For example, when n = 12, …
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Find all prime numbers up to a given number
Problem Statement How do we find all the prime numbers up to a given number? For example, when n = …
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12 Simple Coding Interviews Do's and Dont's
Many interviewers intentionally ask the question in an ambiguous fashion to invite clarification …
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