Submission #1337722

#	Time	Username	Problem	Language	Result	Execution time	Memory
1337722		kawhiet	Carnival (CEOI14_carnival)	C++20	20 / 100	27 ms	436 KiB

carnival

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    auto ask = [&](vector<int> k) {
        cout << k.size();
        for (auto i : k) {
            cout << ' ' << i + 1;
        }
        cout << endl;
        int ret;
        cin >> ret;
        return ret;
    };
    vector<int> ans(n, -1);
    int c = 1;
    for (int i = 0; i < n; i++) {
        if (ans[i] != -1) {
            continue;
        }
        ans[i] = c;
        for (int j = i + 1; j < n; j++) {
            if (ans[j] == -1) {
                if (ask(vector<int>{i, j}) == 1) {
                    ans[j] = c;
                }
            }
        }
        c++;
    }
    cout << 0 << '\n';
    for (int i = 0; i < n; i++) {
        cout << ans[i] << ' ';
    }
    cout << '\n';
    return 0;
}

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