The “Collection of Problems in Discrete Mathematics” by Gavrilov and Sapozhenko is an indispensable guide to the world of discrete mathematics, which will be an excellent assistant for both students and teachers. This book is not just a collection of tasks, but a real laboratory for the mind, where everyone will find something interesting and useful for themselves. Discrete mathematics is the basis of many modern technologies, including computer science, cryptography, and graph theory. This collection presents a variety of problems that cover a wide range of topics, such as combinatorics, graph theory, logic, algorithms, and more. Each section of the book begins with a brief introduction to the relevant topic, which allows readers to quickly immerse themselves in the material and understand the basic concepts. Tasks range from simple to complex, making the collection suitable for both beginners and more experienced students looking to deepen their knowledge. Who can like this collection? First, it will be useful for technical students studying mathematics and computer science . If you study at the Faculty of Computer Science, Engineering or Mathematics, then this collection will be your faithful companion in preparing for exams and test papers. Secondly, the book will be of interest to teachers who are looking for quality assignments for their students. Finally, lovers of mathematics and logical problems will also find in it a lot of fascinating and informative. The topics raised in the book are relevant and important for modern society. Discrete mathematics underpins many of the algorithms and technologies we use every day. Understanding these basics will help readers not only in their studies, but also in their future professional activities. The book contributes to the development of logical thinking, analytical skills and creativity - qualities that are valued in any field. The style of the authors is distinguished by clarity and accessibility, which makes the material easily digestible. Gavrilov and Sapozhenko are experienced teachers and researchers who know how to convey complex ideas to the reader Their approach to presenting material allows not only to solve problems, but also to understand how and why they work. This makes the book not just a textbook, but a real tool for self-development. The collection of problems in discrete mathematics is not the only work of the authors. Gavrilov and Sapozhenko also wrote a number of other textbooks and articles that have gained recognition in academic circles. Their works are of high quality and thorough study, which makes them a reliable source of knowledge. If you are looking for a book that will help you to master discrete mathematics, develop analytical thinking and prepare for exams, the “Collection of Problems in Discrete Mathematics” will be an excellent choice. Do not miss the opportunity to immerse yourself in the fascinating world of numbers and logic that this book opens before you. It will not only enrich your knowledge, but also give many hours of interesting work on tasks that can become a real challenge for your mind.