Submission #904924

#	Time	Username	Problem	Language	Result	Execution time	Memory
904924		dsyz	Carnival (CEOI14_carnival)	C++17	0 / 100	2 ms	600 KiB

carnival

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll N;
	cin>>N;
	vector<ll> unique; //exactly 1 representative from all different type of costumes
	for(ll i = 1;i <= N;i++){ //1-indexed
		cout<<unique.size() + 1<<" ";
		for(auto u : unique){
			cout<<u<<" ";
		}
		cout<<i<<endl;
		ll diff;
		cin>>diff;
		if(diff == ll(unique.size()) + 1){
			unique.push_back(i);
		}
	}
	vector<ll> ans;
	for(ll i = 1;i <= N;i++){
		ll L = 0;
		ll R = unique.size() - 1;
		while(L != R){
			ll mid = (L + R) / 2;
			cout<<(mid - L + 1) + 1<<" ";
			for(ll j = L;j <= mid;j++){
				cout<<unique[j]<<" ";
			}
			cout<<i<<endl;
			ll diff;
			cin>>diff;
			if(diff <= (mid - L + 1) + 1){
				R = mid;
			}else{
				L = mid + 1;
			}
		}
		ans.push_back(L);
	}
	cout<<0<<" ";
	for(auto u : ans){
		cout<<u + 1<<" ";
	}
	cout<<endl;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20