oj.uz

Submission #754866

# Submission time Handle Problem Language Result Execution time Memory
754866 2023-06-08T19:02:47 Z colossal_pepe Carnival (CEOI14_carnival) C++17
100 / 100
 12 ms 208 KB 
#include <iostream>
#include <vector>
using namespace std;

int n;
vector<int> rep, c;

int query(int l, int r) {
    cout << r - l + 1 << ' ';
    for (int i = l; i <= r; i++) {
        cout << rep[i] << ' ';
    }
    cout << endl;
    int ret;
    cin >> ret;
    return ret;
}

int twin() {
    int lo = 0, hi = rep.size() - 1;
    while (hi - lo > 1) {
        int mid = (hi + lo) / 2;
        if (query(mid, rep.size() - 1) < rep.size() - mid) lo = mid;
        else hi = mid - 1;
    }
    if (query(hi, rep.size() - 1) < rep.size() - hi) return hi;
    return lo;
}

int main() {
    cin >> n;
    c.resize(n + 1);
    for (int i = 1; i <= n; i++) {
        rep.push_back(i);
        if (query(0, rep.size() - 1) == rep.size()) {
            c[i] = rep.size();
            continue;
        }
        c[i] = c[rep[twin()]];
        rep.pop_back();
    }
    cout << 0 << ' ';
    for (int i = 1; i <= n; i++) {
        cout << c[i] << ' ';
    }
    cout << endl;
    return 0;
}

Compilation message

carnival.cpp: In function 'int twin()':
carnival.cpp:23:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         if (query(mid, rep.size() - 1) < rep.size() - mid) lo = mid;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
carnival.cpp:26:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     if (query(hi, rep.size() - 1) < rep.size() - hi) return hi;
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
carnival.cpp: In function 'int main()':
carnival.cpp:35:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         if (query(0, rep.size() - 1) == rep.size()) {
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 208 KB Output is correct
2 Correct 8 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 7 ms 208 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 208 KB Output is correct
2 Correct 10 ms 208 KB Output is correct
3 Correct 3 ms 208 KB Output is correct
4 Correct 4 ms 208 KB Output is correct
5 Correct 7 ms 208 KB Output is correct
6 Correct 6 ms 208 KB Output is correct
7 Correct 8 ms 208 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 8 ms 208 KB Output is correct
3 Correct 7 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 3 ms 208 KB Output is correct
6 Correct 9 ms 208 KB Output is correct
7 Correct 12 ms 208 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 208 KB Output is correct
2 Correct 6 ms 208 KB Output is correct
3 Correct 6 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 8 ms 208 KB Output is correct
6 Correct 7 ms 208 KB Output is correct
7 Correct 10 ms 208 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 8 ms 208 KB Output is correct
3 Correct 8 ms 208 KB Output is correct
4 Correct 7 ms 208 KB Output is correct
5 Correct 10 ms 208 KB Output is correct
6 Correct 5 ms 208 KB Output is correct
7 Correct 4 ms 208 KB Output is correct