제출 #603207

#제출 시각아이디문제언어결과실행 시간메모리
603207Ahmadsm2005Event Hopping (BOI22_events)C++17
0 / 100
40 ms2212 KiB
#include <bits/stdc++.h>
//#define int long long
using namespace std;
int N,Q,S[100001],E[100001],X,Y;
int32_t main()
{
    cin.tie(0),iostream::sync_with_stdio(0);
    cin>>N>>Q;
    for(int i = 0; i < N; i += 1){
        cin>>S[i]>>E[i];
    }
    while(Q--){
        cin>>X>>Y;
        X--,Y--;
        if(X == Y)cout<<0;
        else if(S[Y] <= E[X]&&E[X] <= E[Y])cout<<1;
        else
        cout<<"impossible";
        cout<<'\n';
    }
}
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