Submission #1364780

#	Time	Username	Problem	Language	Result	Execution time	Memory
1364780		mayac	Guessing Game (EGOI23_guessinggame)	C++20	Running #1-99	409 ms	820 KiB

guessinggame

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const ll a=67,b=123,c=10001;
ll n=1e5;
void alice(){
    int t=0;
    cout<<n<<endl;
    for(int i=0;i<n-1;i++){
        cin>>t;
        cout<<i+1<<endl;
    }
}
void bob(){
    int t,s1=n,s2=n;
    vector<int> vis(n+1,-1);
    for(int i=0;i<n;i++){
        cin>>t;
        if(vis[t]!=-1){
            s1=vis[t];
            s2=i;
        }
        vis[t]=i;
    }
    cout<<s1<<" "<<s2<<endl;
}
int main(){
    ll p;
    cin>>p>>n;
    if(p==1){
        alice();
    }else{
        bob();
    }
    
}

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