http://acm.uestc.edu.cn/#/problem/show/1259
#include<cstdio>
#include<iostream>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<bitset>
using namespace std;
#define maxn 100010
int n,m,q;
http://acm.uestc.edu.cn/#/problem/show/1259
#include<cstdio>
#include<iostream>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<bitset>
using namespace std;
#define maxn 100010
int n,m,q;