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There are n balls on a smooth horizontal straight track. The track can be considered to be a number line. The balls can be considered to be particles with the same mass.At the beginning, ball i is at p

A cubic number is the result of using a whole number in a multiplication three times. For example, 3×3×3=27so 27 is a cubic number. The first few cubic numbers are 1,8,27,64 and 125. Given an prime num

In our Jesephus game, we start with n people numbered 1 to n around a circle, and we eliminated every k remaining person until only one survives. For example, here’s the starting configuration for n =

LazyChild is a lazy child who likes candy very much. Despite being very young, he has two large candy boxes, each contains n candies initially. Everyday he chooses one box and open it. He chooses the f

It’s Saturday today, what day is it after 11+22+33+...+NN11+22+33+...+NN1^1 + 2^2 + 3^3 + ... + N^N days? Input There are multiple test cases. The first line of input contains an integer T indicatin...

As we all know, operation ”+” complies with the commutative law. That is, if we arbitrarily select two integers a and b, a+b always equals to b+a. However, as for exponentiation, such law may be wrong...