Submission #422476

#	Time	Username	Problem	Language	Result	Execution time	Memory
422476		snasibov05	Carnival (CEOI14_carnival)	C++14	20 / 100	150 ms	200 KiB

carnival

#include <iostream>
#include <vector>

using namespace std;

#define pb push_back

int ask(vector<int> v){
    cout << v.size() << " ";
    for (auto x : v) cout << x << " ";
    cout << endl;
    int res; cin >> res;
    return res;
}

void answer(vector<int> ans){
    int n = ans.size() - 1;
    cout << "0 ";
    for (int i = 1; i <= n; ++i){
        cout << ans[i] << " ";
    }
    cout << "\n";
}

int main() {
    int n; cin >> n;
    vector<int> ans(n+1);
    ans[1] = 1;
    int k = 2;
    for (int i = 2; i <= n; ++i){
        vector<int> v;
        v.pb(i);
        for (int j = 1; j < i; ++j) {
            v.pb(j);
            int x = ask(v);
            if (x == 1){
                ans[i] = ans[j];
                break;
            }
            v.pop_back();
        }

        if (ans[i] == 0) ans[i] = k++;
    }

    answer(ans);

    return 0;
}

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