摘要: #include #include #include #include #include using namespace std; const int maxn = 200005; const int maxm = 800005; int h[maxm], num[maxn]; int n, m; int lowbit(int x) { return x & (-x); } v... 阅读全文
posted @ 2017-09-24 23:37 Aragaki 阅读(278) 评论(0) 推荐(0) 编辑