A book for beginners and intermediates in discrete mathematics?

Question

Books

We need a book on discrete mathematics in which you can read 2-4 chapters as an educational tutorial to start learning algorithms. Next, study discrete mathematics with algorithms in parallel. P,S is a necessary first book for beginners in which you can easily learn the basics. The second is for a more advanced level.

Answer 1

Novikov "Discrete Mathematics" - at one time helped me to close the session at the university with excellent marks. Well written compared to other books.