Submission #1145795

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145795		emptypringlescan	Carnival (CEOI14_carnival)	C++20	100 / 100	5 ms	408 KiB

carnival

#include <bits/stdc++.h>
using namespace std;
int32_t main(){
	//ios::sync_with_stdio(false);
	//cin.tie(nullptr);
	int n;
	cin >> n;
	int same[n+1],uni[n+1];
	memset(uni,0,sizeof(uni));
	for(int i=1; i<=n; i++){
		int lo=0,hi=i-1,mid;
		while(lo<hi){
			mid=(lo+hi+1)/2;
			cout << (i-mid+1) << ' ';
			for(int j=mid; j<=i; j++){
				cout << j << ' ';
			}
			cout << endl;
			int x;
			cin >> x;
			int dist=0;
			for(int j=mid; j<i; j++) dist+=uni[j];
			if(x<=dist) lo=mid;
			else hi=mid-1;
		}
		same[i]=lo;
		if(lo){
			uni[lo]=0;
		}
		uni[i]=1;
	}
	int ans[n+1],cur=1;
	for(int i=1; i<=n; i++){
		if(same[i]==0){
			ans[i]=cur;
			cur++;
		}
		else ans[i]=ans[same[i]];
	}
	cout << 0 << ' ';
	for(int i=1; i<=n; i++) cout << ans[i] << ' ';
	cout << endl;
}

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