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
摘要:
shui#include#include#include#includeusing namespace std;const int maxn=220000;int numa[maxn],numb[maxn];long long suma,sumb;int main(){ int n; w... 阅读全文