摘要: Problem Description:f(n)=(∏i=1nin−i+1)%1000000007You are expected to write a program to calculate f(n) when a certain n is given.Input:Multi test case... 阅读全文
posted @ 2015-11-06 16:06 搁浅の记忆 阅读(180) 评论(0) 推荐(0) 编辑