# Arrays

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## Leetcode 217: Contains Duplicate

This question marks the first problem when working on duplicate data, either integers or strings etc. Companies that have asked this in their coding interview are Amazon, Apple, Netflix, Google, Microsoft, Adobe, Facebook, and many more top tech companies. Problem statement Given an integer array nums, return true if any

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## Leetcode 121: Best Time To Buy and Sell Stock

The Best time to buy and sell stock problem is a classic problem that can be solved using the Greedy approach. This is one of the most popular questions asked in such interviews. Companies that have asked this in their coding interview are Facebook, Amazon, Apple, Netflix, Google, Microsoft, Adobe,

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## Arrays From Zero To Mastery: A Complete Notes For Programmers

This article discusses array data structure with sketches, memory diagrams, array capacity vs. length, strengths & weaknesses, big-O complexities, and more!

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## Find Even Number Of Digits in an Array

This problem tests your knowledge of mathematics. Solving this problem helps you find the place values and how they are represented in the decimal number system.

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## Array Strengths, Weaknesses, and Big-O Complexities

In this lesson, you will learn about array strengths and weaknesses along with the big-o complexities.

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## Find Largest Value In an Array

In this lesson, you will learn how to approach the problem, and come up with different strategies to solve the problem.

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## Leetcode 1: Two Sum Problem

In this article, you will acquire knowledge of different strategies to address the fundamental and timeless interview inquiries posed by numerous organizations.

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## Find Duplicate Element

In this lesson, you will learn how to find the duplicate element using a hashing algorithm.

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## How To Print a 2D Array Elements?

This lesson teaches you how to iterate through a 2D array of integers. The same follows with other data types.

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## Introduction To 2D Arrays

This article is an introductory lesson on 2D array ds with sketches, and memory diagrams with examples.