#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ull mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
double rngesus_d(double l, double r){
double cur = rngesus(0, MASK(60) - 1);
cur /= MASK(60) - 1;
return l + cur * (r - l);
}
template <class T1, class T2>
bool maximize(T1 &a, T2 b){
if (a < b) {a = b; return true;}
return false;
}
template <class T1, class T2>
bool minimize(T1 &a, T2 b){
if (a > b) {a = b; return true;}
return false;
}
template <class T>
void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
for(auto item: container) out << item << separator;
out << finish;
}
template <class T>
void remove_dup(vector<T> &a){
sort(ALL(a));
a.resize(unique(ALL(a)) - a.begin());
}
#include "teams.h"
const int N = 1e5 + 69;
int n;
vector<int> query_enter[N];
int just_asking[N];
void init(int _n, int A[], int B[]) {
n = _n;
for(int i = 0; i < n; ++i){
query_enter[A[i]].push_back(B[i]);
}
}
int can(int m, int K[]) {
for(int i = 1; i <= n; ++i) just_asking[i] = 0;
for(int i = 0; i < m; ++i) just_asking[K[i]]++;
priority_queue<int, vector<int>, greater<int>> pq;
for(int i = 1; i <= n; ++i) {
for(int j: query_enter[i]) pq.push(j);
while(pq.size() && pq.top() < i) pq.pop();
if (pq.size() < i * just_asking[i]) return 0;
for(int j = 0; j < i * just_asking[i]; ++j)
pq.pop();
}
return 1;
}
// int main(void){
// ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
// clock_t start = clock();
// cerr << "Time elapsed: " << clock() - start << " ms\n";
// return 0;
// }
