摘要: 代码如下 cpp include using namespace std; typedef long long LL; const LL mod = 998244353, g = 3, ig = 332748118; inline LL fpow(LL a, LL b) { LL ret = 1 % 阅读全文
posted @ 2019-10-11 19:52 shellpicker 阅读(147) 评论(0) 推荐(0) 编辑