摘要：
#include#include#include#include#include#include#include#include#include#include#define pb push_back#define mp make_pair#define Maxn 1000010#define Maxm 80002#define LL __int64#define Abs(x) ((x)>0?(x):(-x))#define lson(x) (x<<1)#define rson(x) (x<<1|1)#define inf 100000#define lowbit 阅读全文