摘要: "素因子去重" cpp include include include using namespace std; bool isprime(long long int n){ if(n==1) return false; for(int i=2; i n; set s; while(!isprime 阅读全文
posted @ 2019-02-09 21:46 A-Little-Nut 阅读(437) 评论(0) 推荐(1) 编辑