摘要:
Problem Description:As a unicorn, the ability of using magic is the distinguishing feature among other kind of pony. Being familiar with composition a... 阅读全文
摘要:
Problem Description:Goffi is doing his math homework and he finds an equality on his text book:gcd(n−a,n)×gcd(n−b,n)=n^k.Goffi wants to know the numbe... 阅读全文