Vanya and Lanterns
Vanya walks late at night along a straight street of length l, lit by n lanterns. Consider the coordinate system with the beginning of the street corresponding to […]
Vanya
Vanya and Cubes
Vanya got n cubes. He decided to build a pyramid from them. Vanya wants to build the pyramid as follows: the top level of the pyramid must […]
Vanya and Exams
Vanya wants to pass n exams and get the academic scholarship. He will get the scholarship if the average grade mark for all the exams is at […]
Vanya and Field
Vanya decided to walk in the field of size n × n cells. The field contains m apple trees, the i-th apple tree is at the cell with coordinates (x i, y i). Vanya moves towards […]
Vanya and Computer Game
Vanya and his friend Vova play a computer game where they need to destroy n monsters to pass a level. Vanya’s character performs attack with frequency x hits per […]
