oj.uz

Submission #1074810

# Submission time Handle Problem Language Result Execution time Memory
1074810 2024-08-25T14:20:08 Z fv3 Rarest Insects (IOI22_insects) C++17
53.16 / 100
 115 ms 708 KB 
#include "insects.h"
#include <bits/stdc++.h>
 
using namespace std;
 
int min_cardinality(int N) 
{
  // Find the number of different insect types:
  // Maximum number of insects with 1 being maximum
  // Let that number be K
  // Find another set of K numbers with 2 being the maximum
  // Then 3 and 4 and so on untill it is no longer possible
 
  // The grader is not adaptive:
  vector<int> indicies(N);
  iota(indicies.begin(), indicies.end(), 0);
 
  mt19937 mt(time(0));
  shuffle(indicies.begin(), indicies.end(), mt);
 
  vector<int> in(N);
  vector<int> order;

  int k = 0;
  int insect_cnt = 0;
  for (int i = 0; i < N; i++)
  {
    move_inside(indicies[i]);
    if (press_button() > 1)
    {
      move_outside(indicies[i]);
    }
    else
    {
      k++;
      insect_cnt++;
      order.push_back(i);
      in[i] = 1;
    }
  }

  int l = 1, r = N / k;
  while (l < r)
  {
    int c = (l + r + 1) / 2;
    while (insect_cnt > k * l)
    {
      move_outside(indicies[order.back()]);
      in[order.back()] = 0;
      order.pop_back();
      insect_cnt--;
    }

    for (int i = 0; i < N && insect_cnt < k * c; i++)
    {
      if (in[i]) continue;

      move_inside(indicies[i]);
      if (press_button() > c)
      {
        move_outside(indicies[i]);
      }
      else
      {
        insect_cnt++;
        order.push_back(i);
        in[i] = 1;
      }
    }
    
    if (insect_cnt >= k * c)
      l = c;
    else
      r = c - 1;
  }
 
  return l;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 7 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 436 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 7 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 436 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 18 ms 444 KB Output is correct
24 Correct 6 ms 344 KB Output is correct
25 Correct 14 ms 448 KB Output is correct
26 Correct 20 ms 600 KB Output is correct
27 Correct 43 ms 344 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 58 ms 448 KB Output is correct
30 Correct 33 ms 448 KB Output is correct
31 Correct 13 ms 592 KB Output is correct
32 Correct 18 ms 600 KB Output is correct
33 Correct 14 ms 344 KB Output is correct
34 Correct 14 ms 448 KB Output is correct
35 Correct 16 ms 444 KB Output is correct
36 Correct 22 ms 436 KB Output is correct
37 Correct 13 ms 680 KB Output is correct
38 Correct 17 ms 600 KB Output is correct
39 Correct 16 ms 448 KB Output is correct
40 Correct 9 ms 344 KB Output is correct
41 Correct 9 ms 344 KB Output is correct

Subtask #3
28.16 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 21 ms 444 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 20 ms 436 KB Output is correct
10 Partially correct 46 ms 440 KB Output is partially correct
11 Partially correct 105 ms 444 KB Output is partially correct
12 Correct 15 ms 452 KB Output is correct
13 Partially correct 103 ms 460 KB Output is partially correct
14 Partially correct 62 ms 592 KB Output is partially correct
15 Correct 25 ms 344 KB Output is correct
16 Correct 27 ms 688 KB Output is correct
17 Correct 33 ms 688 KB Output is correct
18 Correct 36 ms 432 KB Output is correct
19 Correct 19 ms 596 KB Output is correct
20 Partially correct 30 ms 428 KB Output is partially correct
21 Partially correct 58 ms 452 KB Output is partially correct
22 Partially correct 39 ms 588 KB Output is partially correct
23 Partially correct 54 ms 444 KB Output is partially correct
24 Correct 30 ms 460 KB Output is correct
25 Correct 14 ms 344 KB Output is correct
26 Correct 8 ms 464 KB Output is correct
27 Correct 24 ms 428 KB Output is correct
28 Correct 33 ms 592 KB Output is correct
29 Correct 25 ms 596 KB Output is correct
30 Correct 29 ms 600 KB Output is correct
31 Partially correct 54 ms 436 KB Output is partially correct
32 Partially correct 45 ms 600 KB Output is partially correct
33 Partially correct 64 ms 688 KB Output is partially correct
34 Partially correct 38 ms 452 KB Output is partially correct
35 Correct 25 ms 432 KB Output is correct
36 Correct 34 ms 592 KB Output is correct
37 Partially correct 45 ms 456 KB Output is partially correct
38 Partially correct 43 ms 436 KB Output is partially correct
39 Correct 24 ms 600 KB Output is correct
40 Correct 24 ms 344 KB Output is correct
41 Correct 32 ms 448 KB Output is correct
42 Correct 21 ms 436 KB Output is correct
43 Partially correct 21 ms 344 KB Output is partially correct
44 Partially correct 115 ms 592 KB Output is partially correct
45 Correct 25 ms 592 KB Output is correct
46 Correct 11 ms 344 KB Output is correct
47 Correct 18 ms 344 KB Output is correct
48 Correct 10 ms 708 KB Output is correct