Submission #908833

#	Time	Username	Problem	Language	Result	Execution time	Memory
908833		vjudge1	Carnival (CEOI14_carnival)	C++17	100 / 100	12 ms	344 KiB

carnival

#include <bits/stdc++.h>

using namespace std;

long long n, arr[100005], brr[100005], xd, k,zd;

void BB(int a, int b){
    if(a>=b)return;
    //cout<<xd<<"\n";
    int c=(a+b+1)/2, x, y;
    
    if(c-a==1){
        x=1;
    }
    else{
        cout<<c-a<<' ';
        
        for(int i=a; i<c; i++)cout<<i<<' ';
        cout<<endl;
        
        cin>>x;
        }
    
    
    cout<<c-a+1<<' ';
    
    for(int i=a; i<c; i++)cout<<i<<' ';
    cout<<xd<<endl;
    
    cin>>y;
    
    if(c-a==1&&x==y){
        arr[xd]=arr[a];
        return;
    }
    
    if(x==y){
        BB(a,c);
        return;
    }
    
    BB(c,b);
    
}

int main(){
    
    cin>>n;
    
    arr[1]=brr[1]=1;zd=2;
    
    for(int i=2; i<=n; i++){
        cout<<i<<' ';
        for(int j=1; j<=i; j++)cout<<j<<' ';
        cout<<endl;
        
        cin>>k;
        brr[i]=brr[i-1];
        
        if(k==brr[i]+1){
            brr[i]++;
            arr[i]=zd;
            zd++;
            continue;
        }
        xd=i;
        BB(1, i);
        
    }
    
    
    cout<<"0 ";
    for(int j=1; j<=n; j++)cout<<arr[j]<<' ';
    cout<<endl;
    
    return 0;
}

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