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Coding Interview Questions

The practice you need to ace the coding interviews.

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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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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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Two Sum Problem

Throughout this lesson, 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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How To Search For An Element In An Array?

In this lesson, you will learn two popular searching algorithms developers use all the time to search for an element in an array.

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Array In-Place Algorithm: Reverse Array

In this lesson, you will learn how to modify the input array to save some space.

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How To Convert Array To Dynamic Array?

In this lesson, you will learn how to resize a static array. Most of the advanced and complex data structures are built on arrays.

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Power Of Two (Exercise Problem)

This is an exercise problem for your practice. Try to come up with an approach and solve it by yourself. Good Luck!

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How To Construct An Array-Like Data Structure?

You will learn to implement a custom array-like data structure and basic array operations.

Implement An Array-Like Data Structure