제출 #1131574

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1131574		alterio	사육제 (CEOI14_carnival)	C++20	100 / 100	3 ms	424 KiB

carnival

#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define ll long long
#define all(x) (x).begin(), (x).end()

const int mxn = 200;

vector<int> known[mxn];

vector<int> guess(int l, int r) {
    vector<int> res;
    for (int i = l; i <= r; i++) {
        if (known[i].size()) res.push_back(known[i][0]);
    }
    return res;
}

void print(vector<int> v) {
    cout << v.size() << " ";
    for (auto x : v) cout << x << " ";
    cout << endl;
}

int main() {
    int n;
    cin >> n;
    int sz = 1;
    known[1] = {1};
    for (int i = 2; i <= n; i++) {
        int l = 1, r = sz + 2;
        while (l + 1 < r) {
            int mid = (l + r) / 2;
            vector<int> v = guess(l, mid);
            v.push_back(i);
            print(v);
            int x;
            cin >> x;
            if (x == v.size()) l = mid;
            else r = mid;
        }
        if (l < sz) {
            print({known[l][0], i});
            int x;
            cin >> x;
            if (x != 1) l = r; 
        }
        known[l].push_back(i);
        sz = max(sz, l);
    }
    int ind[n + 10];
    for (int i = 1; i <= sz; i++) {
        for (auto x : known[i]) ind[x] = i;
    }
    cout << 0 << " ";
    for (int i = 1; i <= n; i++) cout << ind[i] << " ";
}

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