Submission #702846

#	Time	Username	Problem	Language	Result	Execution time	Memory
702846		yhkhoo	Carnival (CEOI14_carnival)	C++17	100 / 100	11 ms	444 KiB

carnival

#include <bits/stdc++.h>
using namespace std;

int main(){
	ios_base::sync_with_stdio(0);
	int n;
	cin >> n;
	int a[n+1];
	int coscount = 0, prev=0;
	map<int, vector<int>> people;
	for(int i=1; i<=n; i++){
		cout << i << ' ';
		for(int j=1; j<=i; j++){
			cout << j << ' ';
		}
		cout << endl;
		int nc;
		cin >> nc;
		if(nc != prev){ // costume worn by i is new
			coscount++;
			prev = nc;
			a[i] = coscount;
		}
		else{ // costume is not new
			int s=1, e=coscount;
			while(s!=e){
				int m=(s+e)/2;
				vector<int> party;
				for(int j=s; j<=m; j++){
					for(auto k=people[j].begin(); k!=people[j].end(); k++){
						party.push_back(*k);
					}
				}
				cout << party.size()+1 << ' ';
				for(auto j=party.begin(); j!=party.end(); j++){
					cout << *j << ' ';
				}
				cout << i << ' ';
				cout << endl;
				int np;
				cin >> np;
				if(np == m-s+1){ //in range
					e=m;
				}
				else{
					s=m+1;
				}
			}
			a[i] = s;
		}
		people[a[i]].push_back(i);
	}
	cout << "0 ";
	for(int i=1; i<=n; i++){
		cout << a[i] << ' ';
	}
	return 0;
}

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