Submission #1125016

#TimeUsernameProblemLanguageResultExecution timeMemory
1125016EfeBabagilEvent Hopping (BOI22_events)C++20
0 / 100
212 ms3752 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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