Submission #979190

#	Time	Username	Problem	Language	Result	Execution time	Memory
979190		Amaarsaa	Carnival (CEOI14_carnival)	C++14	100 / 100	14 ms	460 KiB

carnival

#include<bits/stdc++.h>

using namespace std;
using ll = long long ;
int ataman[152];
int Get(int x) {
	if ( x == ataman[x]) return x;
	return ataman[x] = Get(ataman[x]);
}
void Unite(int x, int y) {
	x = Get(x);
	y = Get(y);
	if ( x == y) return ;
	if ( x > y) swap(x, y);
	ataman[y] = x;
}
int Check(int l, int r) {
	
	cout << r- l + 1 << endl;
	for ( int i = l; i <= r; i ++) cout << i << " ";
	cout << endl;
	int x;
	cin >> x;
	return x;
}
int main() {
//	freopen("moocast.in", "r", stdin);
//	freopen("moocast.out", "w", stdout);
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	int n, i, lo, hi, mid, s, p;
	
	cin >> n;
	
	for (i = 1; i <= n; i ++) ataman[i] = i;
	for (i = 1; i+ 1 <= n; i ++) {
		s = Check(i, n);
		p = Check(i + 1, n);
		if ( s != p) continue;
		lo = i + 1;
		hi = n ;
		while ( lo < hi) {
			mid = (lo + hi)/2;
			s = Check(i, mid);
			p = Check(i + 1, mid);
			if ( s != p) lo = mid + 1;
			else hi = mid;
		}
		Unite(i, lo);
	}
	cout << "0 ";
	vector < pair < int, int > > v;
	for (i = 1; i <= n; i ++) {
		v.push_back({Get(i), i});
	}
	sort(v.begin(), v.end());
	ll ans[n + 2];
	
	s = 0;
	for (i =0; i < n; i++) {
		if (i == 0 || v[i].first != v[i - 1].first) s ++;
		ans[v[i].second] = s;
		
	}
	for (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