摘要：#include <bits/stdc++.h> using namespace std; #define Multicase() for(int T = read() ; T ; T--) #define lowbit(x) (x & (-x)) #define ls(p) (p<<1) #def 阅读全文

摘要：#include <cstdio> #include <algorithm> #include <vector> using namespace std; typedef pair<int,int> pii; #define F(i,a,b) for(int i=a;i<=(b);++i) #def 阅读全文