제출 #896394

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
896394		Nexus	Event Hopping (BOI22_events)	C++17	0 / 100	29 ms	7680 KiB

events

#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <math.h>
#include <string>
#include <algorithm>
#include <random>
#include <iomanip>
#include <utility>
#include <cstring>
//#include <bits/stdc++.h>

#define ll long long

using namespace std;

const ll N=1e6+9,M=1e18+9,mod=1e9+7;
//cout<<fixed<<setprecision(6)<<

ll s[N],e[N],n,q,i,j;

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	
	cin>>n>>q;
	for(i=0;i<n;++i)cin>>s[i]>>e[i];
	while(q--){
		cin>>i>>j;
		if(i==j)cout<<0<<'\n';
		else if(s[i]<=s[j] && e[i]>=s[j])
		cout<<1<<'\n';
		else cout<<"impossible\n";
	}
}

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