摘要：
原题链接：点我转移 Give you three sequences of numbers A, B, C, then we give you a number X. Now you need to calculate if you can find the three numbers Ai, Bj 阅读全文
摘要：
#include using namespace std; typedef long long ll; const int maxn=1e5+7; const ll mod=1e9+7; bool a[maxn];///存放对于i是否是素数的判断 ///试除法 bool priem(ll n) { if(n==1) return false; for(ll i=2... 阅读全文