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Submission #978874

# Submission time Handle Problem Language Result Execution time Memory
978874 2024-05-09T21:10:49 Z Acanikolic Carnival (CEOI14_carnival) C++14
100 / 100
 4 ms 712 KB 
#include <bits/stdc++.h>

#define int long long

#define pb push_back

using namespace std;

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

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n,cnt = 0;
    cin >> n;
    vector<int>vec;
    int res[n + 1];
    vec.pb(1);
    res[1] = ++cnt;
    for(int i = 2; i <= n; i++) {
        vec.pb(i);
        if(ask(vec) == (int)vec.size()) {
            res[i] = ++cnt;
            continue;
        }else {
            vec.pop_back();
            int l = 0,r = (int)vec.size() - 1,ans = -1;
            while(l <= r) {
                int mid = (l + r) / 2;
                vector<int>v;
                v.pb(i);
                for(int j = mid; j < (int)vec.size(); j++) v.pb(vec[j]);
                if(ask(v) != (int)v.size()) {
                    ans = mid;
                    l = mid + 1;
                }else {
                    r = mid - 1;
                }
            }
            //cout << i << " " << ans << " dbg" << endl;
            res[i] = res[vec[ans]];
        }
    }
    cout << 0 << " ";
    for(int i = 1; i <= n; i++) cout << res[i] << " ";
    cout << endl;
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 2 ms 704 KB Output is correct
4 Correct 1 ms 628 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 448 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 3 ms 448 KB Output is correct
3 Correct 2 ms 452 KB Output is correct
4 Correct 2 ms 708 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 3 ms 452 KB Output is correct
4 Correct 2 ms 704 KB Output is correct
5 Correct 3 ms 452 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 3 ms 704 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 708 KB Output is correct
5 Correct 3 ms 704 KB Output is correct
6 Correct 4 ms 452 KB Output is correct
7 Correct 4 ms 448 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 708 KB Output is correct
4 Correct 3 ms 452 KB Output is correct
5 Correct 3 ms 704 KB Output is correct
6 Correct 3 ms 712 KB Output is correct
7 Correct 2 ms 712 KB Output is correct