Submission #1188429

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188429		pxsit	Carnival (CEOI14_carnival)	C++20	100 / 100	6 ms	408 KiB

carnival

#include <bits/extc++.h>
using namespace std;
typedef long long ll;
int main(){
    int n;
    cin>>n;
    vector<int> reps;
    vector<int> c(n+1);
    for(int i=1;i<=n;i++){
        if(reps.empty()){
            reps.emplace_back(i);
            c[i]=1;
        } else {
            int l=0,r=reps.size()-1,pos=-1;
            while(l<=r){
                int m=(l+r)/2;
                int k=m+2;
                cout<<k;
                for(int j=0;j<=m;j++) cout<<" "<<reps[j];
                cout<<" "<<i<<endl;
                int ans;
                cin>>ans;
                if(ans==m+1){
                    pos=m;
                    r=m-1;
                } else {
                    l=m+1;
                }
            }
            if(pos==-1){
                reps.emplace_back(i);
                c[i]=reps.size();
            } else {
                c[i]=c[reps[pos]];
            }
        }
    }
    cout<<0;
    for(int i=1;i<=n;i++) cout<<" "<<c[i];
    cout<<endl;
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20