This repository contains several programs and algorithms:

• Algorithm Ahocorasick
• Algorithm kNN
• Graph - we can add/remove vertices or edges. We can also use bfs and dfs algorithms.
• Program "Library" - program contains several modules such as: login - we can login as librarian or user. Librarian can add users or add/removes books and also can accept the return of the book. User can rent, reserve or prolongate books. All data are stored in CSV files.