Algorithm

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15 BEST Data Structures and Algorithms Books (2026 Update)

By : Sarah Chen

We are reader supported and may earn a commission when you buy through links on our site An algorithm is a well-defined computational procedure that takes some value as input and generates some value as output. In simple words, it is a sequence of computational steps that converts the input into the output. Are you…

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Stack vs Heap Memory – Difference Between Them

By : Sarah Chen

Key Difference Between Stack and Heap Memory Stack is a linear data structure whereas Heap is a hierarchical data structure. Stack memory will never become fragmented whereas Heap memory can become fragmented as blocks of memory are first allocated and then freed. Stack accesses local variables only while Heap allows you to access variables globally….

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Fractional Knapsack Problem: Greedy algorithm with Example

By : Sarah Chen

What is Greedy Strategy? Greedy algorithms are like dynamic programming algorithms that are often used to solve optimal problems (find best solutions of the problem according to a particular criterion). Greedy algorithms implement optimal local selections in the hope that those selections will lead to an optimal global solution for the problem to be solved….

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0/1 Knapsack Problem Fix using Dynamic Programming Example

By : Sarah Chen

What is the Knapsack Problem? Knapsack Problem algorithm is a very helpful problem in combinatorics. In the supermarket there are n packages (n ≤ 100) the package i has weight W[i] ≤ 100 and value V[i] ≤ 100. A thief breaks into the supermarket, the thief cannot carry weight exceeding M (M ≤ 100). The…

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Top 40 Linked List Interview Questions and Answers (2026)

By : Sarah Chen

Getting ready for a data structures interview demands focus on challenges. Linked List Interview Questions reveal problem-solving depth, pointer logic, memory awareness, and how candidates reason through edge cases. Mastering linked lists opens roles across product teams, platforms, and systems engineering. Practical exposure builds strong technical expertise, analytical thinking, and clean coding habits. From freshers…

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Top 50 Array Interview Questions and Answers (2026)

By : Sarah Chen

Preparing for an Array interview? It is time to focus on what questions might come your way. Understanding {{keyword}} helps candidates reveal analytical thinking, logic, and problem-solving strengths effectively. Arrays form the foundation of technical experience and professional experience for programmers. From freshers to senior professionals, mastering them demonstrates strong technical expertise and root-level experience…

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Algorithm

Top 40 Data Structures Interview Questions and Answers (2026)

By : Sarah Chen

Preparing for a Data Structures interview? It is time to sharpen your understanding of how information is organized, accessed, and optimized. The second sentence must include the exact phrase “Data Structures Interview Questions”, which reveal how deeply candidates grasp problem-solving and algorithmic logic. Mastering data structures opens diverse career opportunities across software engineering, AI, and…

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Algorithm

Top 18 Algorithm Interview Questions and Answers (2026)

By : Sarah Chen

Here are Algorithm interview questions and answers for fresher as well as experienced candidates to get their dream job. Algorithm Questions and Answers for Beginners 1) Explain what is an algorithm in computing? An algorithm is a well-defined computational procedure that take some value as input and generate some value as output. In simple…

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Algorithm

7 BEST Data Structures and Algorithms Courses (2026)

By : Sarah Chen

A Senior Software Engineer gets around $1,39,724 annually in the United States. The only way to reach that level is to understand data structures and algorithms well. The best data structures and algorithms course helps you get a high-paying job. Getting a job at a Big tech company like Google, Amazon, or Microsoft requires you…

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AVL Trees: Rotations, Insertion, Deletion with C++ Example

By : Sarah Chen

What are AVL Trees? AVL trees are binary search trees in which the difference between the height of the left and right subtree is either -1, 0, or +1. AVL trees are also called a self-balancing binary search tree. These trees help to maintain the logarithmic search time. It is named after its inventors (AVL)…

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