geeksforgeeks.org
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GeeksforGeeks is a comprehensive computer science learning platform offering free tutorials, articles, and practice problems on algorithms, data structures, programming languages, and interview preparation. It features step-by-step explanations, code examples, and extensive problem sets to help users master algorithm design techniques.
More resources on Algorithm Design Techniques
USACO Guide
Free guide covering algorithm design paradigms
CP-Algorithms
Comprehensive guide to algorithm design techniques for competitive programming
Dynamic Programming Introduction
Abdul Bari on DP design technique
Algorithms, Part I
This course covers the essential information that every serious programmer needs to know about algorithms and data structures, with emphasis on applications and scientific performance analysis of Java implementations. Part I covers elementary data structures, sorting, and searching algorithms. Part II focuses on graph- and string-processing algorithms. All the features of this course are available for free. People who are interested in digging deeper into the content may wish to obtain the textbook Algorithms, Fourth Edition (upon which the course is based) or visit the website algs4.cs.princeton.edu for a wealth of additional material. This course does not offer a certificate upon completion.
Algorithms, Part II
This course covers the essential information that every serious programmer needs to know about algorithms and data structures, with emphasis on applications and scientific performance analysis of Java implementations. Part I covers elementary data structures, sorting, and searching algorithms. Part II focuses on graph- and string-processing algorithms. All the features of this course are available for free. People who are interested in digging deeper into the content may wish to obtain the textbook Algorithms, Fourth Edition (upon which the course is based) or visit the website algs4.cs.princeton.edu for a wealth of additional material. This course does not offer a certificate upon completion.
algoexpert.io
AlgoExpert is an online platform offering curated algorithm practice with video explanations and an in-browser code editor to master data structures and algorithm design techniques. It features categorized problems (e.g., dynamic programming, graphs, arrays) with editorial solutions and testable code to prepare for technical interviews.