摘要: #include <iostream> #include <math.h> using namespace std; bool is_prime(unsigned long long n) { //quick unsigned long long stop = n / 6 + 1, Tstop = 阅读全文
posted @ 2022-03-03 14:06 icefield817 阅读(74) 评论(0) 推荐(0) 编辑