摘要: "C.Orac and LCM" 题意: 给定一个长度为$n$的数组,求$gcd\{{lcm(a_i,a_j)|i using namespace std; const int maxn = 3e5 + 10; typedef long long LL; LL gcd(LL a, LL b) {re 阅读全文
posted @ 2020-05-13 17:07 StreamAzure 阅读(628) 评论(0) 推荐(1)