Submission #1210717

#	Time	Username	Problem	Language	Result	Execution time	Memory
1210717		jellybean	Carnival (CEOI14_carnival)	C++20	0 / 100	2 ms	412 KiB

carnival

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define fi first
#define se second
#define pb push_back
#define dd(x) cout<<#x<<" is "<<x<<endl;

int n;
vector<int>v;

bool submit = 1;
int arr[200];
int qq(vector<int>vi){
	if(submit){
		cout << vi.size() << ' ';
		for(auto i: vi) cout<<i+1<<' ';
		cout<<endl;
		int res; cin>>res;
		return res;
	} else {
		set<int>s;
		for(int i=0; i<vi.size(); i++){
			s.insert(arr[vi[i]]);
		}
		return s.size();
	}
}

int query(int l, int r, int x){
	int sz = r-l+1;
	if(sz == 1){
		return l;
	}
	int m = (l+r)/2;
	vector<int>in;
	for(int i=l; i<=m; i++) in.pb(v[i]);
	in.pb(x);
	
	int res = qq(in);
	if(res == (sz+1)/2 + 1){
		return query(m+1,r,x);
	} else {
		return query(l,m,x);
	}
}

signed main(){
	//ios::sync_with_stdio(0); cin.tie(0);
	
	mt19937_64 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
	
	if(submit) cin>>n;
	else {
		n = rnd()%5+2;
		int c = rnd()%n+1;
		for(int i=0; i<n; i++) arr[i] = rnd()%c+1, cout<<arr[i] <<" ";
	}
	int ans[n] = {};
	ans[0] = 1;
	v.pb(0);
	
	for(int i=1; i<n; i++){
		vector<int>in;
		for(auto j: v) in.pb(j);
		in.pb(i);
		
		int res = qq(in);
		if(res == (int)v.size() + 1) {
			ans[i] = v.size() + 1;
			v.push_back(i);
			continue;
		}
		
		ans[i] = ans[query(0,v.size()-1,i)];
	}
	cout<<0<<' ';
	for(auto i: ans) cout<<i<<" ";
	cout<<endl;
	
	return 0;
}

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