Submission #1125816

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125816		efishel	Carnival (CEOI14_carnival)	C++20	20 / 100	37 ms	432 KiB

carnival

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using ii = pair <ll, ll>;
using vii = vector <ii>;

ll fask (vll ve) {
    if (ve.size() == 0) return 0;
    cout << ve.size() << ' ';
    for (ll i : ve) cout << i+1 << ' ';
    cout << '\n' << flush;
    ll res;
    cin >> res;
    return res;
}

void answer (vll ve) {
    cout << "0 ";
    for (ll i : ve) cout << i << ' ';
    cout << '\n' << flush;
}

int main () {
    cin.tie(nullptr) -> sync_with_stdio(false);
    ll n;
    cin >> n;
    vll key(n, -16);
    ll timer = 1;
    for (ll i = 0; i < n; i++) {
        ll j = 0;
        while (j < i) {
            if (fask({ j, i }) == 1) {
                key[i] = key[j];
                break;
            }
            j++;
        }
        if (j == i) key[i] = timer++;
    }
    answer(key);
    return 0;
}

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