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Most Asked Data Structure & Algorithm Questions in Interviews
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Introduction
Data Structures and Algorithms (DSA) play a crucial role in technical interviews, especially for roles at top tech companies. Mastering DSA not only helps you crack coding interviews but also improves your problem-solving skills as a developer. In this article, we’ll cover some of the most frequently asked DSA questions across different categories, along with tips on how to approach them.
1. Array-Based Questions
Arrays are one of the most fundamental data structures, making them a popular topic in interviews.
🔹 Find the missing number in an array (Given an array of size n-1 containing numbers from 1 to n, find the missing number)
🔹 Find the subarray with the maximum sum (Kadane’s Algorithm)
🔹 Two Sum Problem (Find two numbers that add up to a given target)
🔹 Merge two sorted arrays without extra space
