摘要: f(cos(x))=cos(n∗x) holds for all xx. Given two integers nn and mm, you need to calculate the coefficient of x^mx​m​​ in f(x)f(x), modulo 9982443539982 阅读全文
posted @ 2017-09-19 22:02 灬从此以后灬 阅读(274) 评论(0) 推荐(0) 编辑