This paper describes a recursive approach to the enumeration of some classes of combinatorial tasks. Most tasks are used in the specific scope of teaching and learning informatics through olympiads and other competitions ...

We study extrema of the Mityuk radius depending on the choice of the canonical domain. Turning to the doubly connected case allows us to use the explicit form of mapping functions onto canonical domains. We obtain the ...

What is becoming important towards the integration of education in the world is the improvement of Master's programs in Teaching and Learning in accordance with the changing needs of graduates and employers. The objectives ...

One of the methods to stimulate middle school students' cognitive activity is their teacher's intellectual challenge at the lesson. The results of American teachers' analysis have shown that the majority of them avoid ...