Submission #1220157

#	Time	Username	Problem	Language	Result	Execution time	Memory
1220157		LM1	Carnival (CEOI14_carnival)	C++20	100 / 100	3 ms	432 KiB

carnival

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define ff first
#define ss second
#define pb push_back
#define vi vector<int>
#define fr(i,ii,iii) for(int i=ii;i<iii;i++)
const int N=153;
int n,x=1,a,b;
int c[N];
vi v;
int main(){
	ios_base::sync_with_stdio(NULL);cin.tie(NULL);
	cin>>n;
	fr(i,1,n+1){
		cout<<i<<" ";fr(j,1,i+1)cout<<j<<" ";cout<<endl;
		cin>>b;
		if(a!=b){
			c[i]=x;
			v.pb(i);
			x++;
		}
		a=b;
	}
	//fr(i,1,n+1)cout<<c[i]<<" ";
	//cout<<endl;
	int n1=v.size();
	fr(i,1,n+1){
		if(c[i]!=0)continue;
		int l=0,r=n1-1,m;
		while(l<r){
			m=(l+r)/2;
			int sz=m-l+1;
			cout<<sz+1<<" ";fr(j,l,m+1)cout<<v[j]<<" ";cout<<i<<endl;
			cin>>a;
			if(a==sz){
				r=m;
			}
			else{
				l=m+1;
			}
		}
		c[i]=c[v[l]];
	}
	cout<<"0 ";fr(i,1,n+1)cout<<c[i]<<" ";cout<<endl;
}
/*
*/

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