摘要: #include <iostream> using namespace std ; #define rd(x) (rand()%(x)) typedef unsigned long long ll; ll pow_mod(ll a,ll b,ll r){ ll ans=1,buff=a; while 阅读全文
posted @ 2021-09-03 23:36 _LH2000 阅读(62) 评论(0) 推荐(0) 编辑