제출 #387853

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
387853		Nima_Naderi	사육제 (CEOI14_carnival)	C++14	100 / 100	17 ms	408 KiB

carnival

//In the name of GOD
//#pragma GCC optimize("O2")
#include<bits/stdc++.h>
using namespace std;
 
typedef long long ll;
const ll MXN = 150 + 10;
ll n, c;
ll ANS[MXN], Col[MXN];
ll Ask(ll l, ll r, ll x){
	cout << r - l + 2 << ' ' << x << ' ';
	for(int i = l; i <= r; i ++) cout << Col[i] << ' ';
	cout << '\n';
	fflush(stdout);
	cin >> x;
	fflush(stdout);
	return x;
}
int main(){
	//ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
	cin >> n; fflush(stdout);
	ANS[1] = ++ c, Col[1] = 1;
	for(int i = 2; i <= n; i ++){
		ll nw = Ask(1, c, i);
		if(nw > c){
			ANS[i] = ++ c, Col[c] = i;
		}
		else{
			ll l = 1, r = c;
			while(l != r){
				ll mid = (l + r) / 2;
				if(Ask(l, mid, i) == mid - l + 1){
					r = mid;
				}
				else{
					l = mid + 1;
				}
			}
			ANS[i] = ANS[Col[l]];
		}
	}
	fflush(stdout);
	cout << 0 << ' ';
	for(int i = 1; i <= n; i ++) cout << ANS[i] << ' ';
	cout << '\n';
	fflush(stdout);
	return 0;
}
//! N.N

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