The book "Fundamentals of the theory of algorithms: educational manual on the course "Theory of algorithms" for students of the specialty I-31 03 04 "Infor" by Volosevich A . A. is an indispensable resource for students and teachers seeking a deeper understanding of the basics of algorithmic thinking and its application in computer science This manual not only covers key concepts of algorithm theory, but also focuses on the practical application of knowledge, making it an ideal choice for future information technology professionals. The book discusses the basic concepts and principles underlying algorithms, including their structure, complexity, and analysis methods. Readers will be able to get acquainted with different types of algorithms, their classification and ways of optimization. The author pays attention to both classical algorithms and modern approaches, which allows students to get a holistic view of the subject. An important aspect of the manual is its practical orientation: here are many examples and tasks that will help to consolidate theoretical knowledge and apply them in practice. This book will be especially useful for students studying at the faculties of computer science and computer science, as well as for anyone interested in programming and software development. It is suitable for both beginners and more experienced readers seeking to systematize their knowledge and deepen their understanding of algorithmic foundations. If you want to master topics such as algorithm complexity, sorting methods, graph algorithms or dynamic programming, this guide will become your reliable assistant. The topics raised in the book cover a wide range of issues, such as the effectiveness of algorithms, their application in various fields of science and technology, as well as the impact of algorithmic thinking on solving real-world problems. Volosevich A. A. focuses on how algorithms form the basis of modern technologies, from simple applications to complex artificial intelligence systems This makes the book relevant not only for students, but also for practitioners who want to stay at the forefront of technology. The author's style is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate complex concepts. Volosevich A. A. is a recognized expert in the field of algorithm theory and computer science, and his work has already managed to gain confidence among students and teachers. In addition to this manual, he is also the author of a number of other training materials and articles that may be useful for deeper study of the topic. If you are looking for a tutorial that not only explains the theory, but also inspires the practical application of knowledge, "Basics of Algorithm Theory" by Volosevich A. A. It will be a great choice for you. This book will not only help you master important algorithmic concepts, but will also prepare you for a successful career in the world of information technology. Do not miss the opportunity to deepen your knowledge and develop skills that will be useful throughout your professional life.