u014788620的博客

The year 2015 is almost over.Limak is a little polar bear. He has recently learnt about the binary system. He noticed that the passing year has exactly one zero in its representation in the binary s...

链接：https://ac.nowcoder.com/acm/contest/331/J来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述小希最近想知道一个东西，就是A+B=A|B(其中|为按位或)的二元组有多少个。当然，直接做这个式子对小希来说太难了，所以小希改...