| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1125016 | EfeBabagil | Event Hopping (BOI22_events) | C++20 | 212 ms | 3752 KiB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main()
{
int n,q;
cin>>n>>q;
vector<array<int,3>> events(n);
for(int i=0;i<n;i++)
{
int e,s;
cin>>e>>s;
events[i]={e,s,i};
}
while(q--)
{
int a,b;
cin>>a>>b;
a--;
b--;
if(events[b][1]>events[a][1]&&events[b][1]<events[a][0])
cout<<"1"<<endl;
else
cout<<"impossible"<<endl;
}
return 0;
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