摘要: ###A.African Sort ###B.Binary Vector const int mod=1e9+7; const int N=2e7+10; typedef long long ll; int a[N],b[N]; int qpow(ll x,int y){ ll ans=1; whi 阅读全文
posted @ 2020-07-27 18:37 Rynar 阅读(347) 评论(0) 推荐(0)