Submission #1188343

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188343		North1304	Carnival (CEOI14_carnival)	C++20	100 / 100	3 ms	432 KiB

carnival

#include <bits/stdc++.h>
using namespace std;
const int N = 151;
vector<int> head;
int ans[N];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    int n;
    cin >> n;
    ans[1] = 1;
    head.push_back(1);
    for (int i=2;i<=n;i++) {
        int l = 0 , r = head.size() - 1 , anss = -1;
        while (l <= r) {
            int mid = (l + r) / 2;
            //cout << i << ' ' << l << ' ' << r << ' ' << mid << '\n';
            cout << mid - l + 2 << ' ';
            for (int i=l;i<=mid;i++) cout << head[i] << ' ';
            cout << i << endl;
            int inp;
            cin >> inp;
            if (inp==mid-l+1) anss = mid , r = mid - 1;
            else l = mid + 1;
        }
        if (anss==-1) {
            ans[i] = head.size()+1;
            head.push_back(i);
        }
        else ans[i] = anss+1;
        // cout << i << '\t';
        // for (auto i:head) cout << i << ' ';
        // cout << '\n';
    }
    for (int i=0;i<=n;i++) cout << ans[i] << ' ';
    return 0;
}

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