Submission #26512

#	Time	Username	Problem	Language	Result	Execution time	Memory
26512		Nirjhor	Carnival (CEOI14_carnival)	C++14	100 / 100	9 ms	2020 KiB

carnival

#include <bits/stdc++.h> 

using namespace std;

const int N = 155;

int n, sz;
vector <int> v;
int color[N];
bitset <N> done;

int main() {
	cin >> n;
	v.push_back(1);
	sz = 1, done[1] = 1;
	for (int i = 2; i <= n; ++i) {
		cout << sz + 1 << " ";
		for (int x : v) {
			cout << x << " ";
		}
		cout << i << endl;
		int distinct;
		cin >> distinct;
		if (distinct == sz + 1) {
			++sz, done[i] = 1;
			v.push_back(i);
		}
	}
	for (int i = 0; i < sz; ++i) {
		color[v[i]] = i + 1; 
	}
	for (int i = 1; i <= n; ++i) {
		if (done[i]) continue;
		int lo = 0, hi = sz - 1;
		while (lo < hi) {
			int mid = lo + hi >> 1;
			cout << mid - lo + 2 << " ";
			for (int j = lo; j <= mid; ++j) {
				cout << v[j] << " ";
			}
			cout << i << endl;
			int distinct;
			cin >> distinct;
			if (distinct == mid - lo + 2) {
				lo = mid + 1;
			} else {
				hi = mid;
			}
		}
		color[i] = color[v[lo]];
	}
	cout << "0";
	for (int i = 1; i <= n; ++i) {
		cout << " " << color[i];
	}
	cout << endl;
  return 0;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:36:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    int mid = lo + hi >> 1;
                 ^

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