Submission #995953

#	Time	Username	Problem	Language	Result	Execution time	Memory
995953		vjudge1	Carnival (CEOI14_carnival)	C++17	100 / 100	6 ms	600 KiB

carnival

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define pb push_back
using namespace std;
//DONT LET SOMEONE CHEP YOUR CODE 
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin >> n;
    vector<vector<int>> subsets;
    subsets.push_back({1});
    subsets.push_back({1});
    vector<int> query(n+1, 1);
    for (int i = 2; i <= n; i++){
        cout << i << ' ';
        for (int j = 1; j <= i; j++){
            cout << j << ' ';
        }
        cout << endl;
        cin >> query[i];
        if (query[i] > query[i-1]){
            subsets.push_back({i});
        }
        else{
            int l = 1, r = subsets.size()-1, ans = 0;
            while (l <= r)
            {
                int mid = (l + r)/2, q;
                vector<int> ask;
                for (int j = l; j <= mid; j++){
                    for (int z: subsets[j]){
                        ask.push_back(z);
                    }
                }
                ask.push_back(i);
                cout << ask.size() << ' ';
                for (int z: ask){
                    cout << z << ' ';
                }
                cout << endl;
                cin >> q;
                if (q == mid - l + 2){
                    l = mid + 1;
                }
                else{
                    ans = mid;
                    r = mid - 1;
                }
            }
            subsets[ans].push_back(i);
        }
    }
    vector<int> ansf(n+1, 0);
    int counter = 1;
    for (auto i: subsets){
        for (auto j: i){
            ansf[j] = counter;
        }
        counter++;
    }
    cout << 0 << ' ';
    for (int i = 1; i <= n; i++){
        cout << ansf[i]-1 << ' ';
    }
    cout << endl;
}

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