Pis_arc的专栏

Emingis a contest hold by WHUACM training team. The aim is to select new members ofthe team.   Usually, the first problem is a very simpleproblem such as “a+b problem”. But this time, Xioumu is ti

“In mathematics, an arithmeticprogression (AP) or arithmetic sequence is a sequence of numbers such that thedifference between the consecutive terms is constant. For instance, thesequence 5, 7, 9, 11,

This year MK is 5 years old. So he decides to learnsome arithmetic. But he was confused by how towrite the brackets. He has already known that the brackets should match whenwriting them correctly. Suc

题目描述:Definea function f(n)=(f(n-1)+1)/f(n-2). You already got f(1) and f(2). Now, give youa number m, please find the value of f(m).    Input   There are several test cases. Each casecontains th