摘要: 不得不说位操作是件很神奇的东西//低级筛法#include#include#include#include#includeusing namespace std;int _count(unsigned int a){ int sum=0; for(unsigned int x=a;x;x... 阅读全文
posted @ 2015-03-18 13:17 JarvisLau 阅读(259) 评论(0) 推荐(0) 编辑