摘要：
链接： http://acm.hdu.edu.cn/showproblem.php?pid=3929Problem DescriptionF(x) is a polynomial in x with integer coefficients, here F(x) = (1+x)^a1 + (1+x)^a2 + ... + (1+x)^am. Given a1, a2, ... , am, find number of odd coefficients of F(x).InputThe first line contains a single positive integer T( T < 阅读全文