摘要: #include<bits/stdc++.h> #define maxn 100006 #define maxm 200006 #define lowbit(x) (x&-x) using namespace std; inline char nc(){ static char buf[100000 阅读全文
posted @ 2021-10-16 09:44 yesuweiYYYY 阅读(20) 评论(0) 推荐(0) 编辑