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Submission #1058340

# Submission time Handle Problem Language Result Execution time Memory
1058340 2024-08-14T09:26:19 Z aykhn Rarest Insects (IOI22_insects) C++17
99.78 / 100
 35 ms 696 KB 
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

int min_cardinality(int N) 
{
  int uni = 0;
  vector<int> v;
  for (int i = 0; i < N; i++)
  {
    move_inside(i);
    if (press_button() > 1) move_outside(i);
    else uni++, v.push_back(i);
  }
  for (int &i : v) move_outside(i);
  v.clear();
  vector<int> in(N, 0);
  vector<int> alive(N, 1);
  int l = 1, r = N / uni;
  int cur = 0;
  while (l < r)
  {
    int mid = (l + r + 1) >> 1;
    for (int i = 0; i < N; i++)
    {
      if (!alive[i]) continue;
      move_inside(i);
      v.push_back(i);
      cur++;
      in[i] = 1;
      if (press_button() > mid) 
      {
        cur--;
        in[i] = 0;
        move_outside(i);
        v.pop_back();
      }
    }
    if (cur != mid * uni)
    {
      for (int i = 0; i < N; i++)
      {
        if (!in[i]) alive[i] = 0;
      }
      for (int &i : v) 
      {
        cur--;
        move_outside(i), in[i] = 0;
      }
      v.clear();
      r = mid - 1;
    }
    else
    {
      for (int &i : v)
      {
        alive[i] = 0;
        in[i] = 0;
      }
      v.clear();
      l = mid;
    }
  }
  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 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 1 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 2 ms 436 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 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 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 1 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 2 ms 436 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 16 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 13 ms 432 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 6 ms 344 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 10 ms 440 KB Output is correct
30 Correct 14 ms 340 KB Output is correct
31 Correct 12 ms 344 KB Output is correct
32 Correct 16 ms 608 KB Output is correct
33 Correct 13 ms 344 KB Output is correct
34 Correct 11 ms 344 KB Output is correct
35 Correct 9 ms 344 KB Output is correct
36 Correct 14 ms 440 KB Output is correct
37 Correct 10 ms 344 KB Output is correct
38 Correct 10 ms 436 KB Output is correct
39 Correct 11 ms 696 KB Output is correct
40 Correct 8 ms 600 KB Output is correct
41 Correct 4 ms 344 KB Output is correct

Subtask #3
74.78 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 23 ms 436 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 26 ms 432 KB Output is correct
10 Correct 24 ms 440 KB Output is correct
11 Correct 16 ms 344 KB Output is correct
12 Correct 20 ms 440 KB Output is correct
13 Correct 23 ms 436 KB Output is correct
14 Correct 33 ms 592 KB Output is correct
15 Correct 20 ms 600 KB Output is correct
16 Correct 18 ms 428 KB Output is correct
17 Correct 21 ms 344 KB Output is correct
18 Correct 19 ms 344 KB Output is correct
19 Partially correct 27 ms 344 KB Output is partially correct
20 Correct 25 ms 436 KB Output is correct
21 Correct 22 ms 436 KB Output is correct
22 Partially correct 35 ms 600 KB Output is partially correct
23 Correct 26 ms 600 KB Output is correct
24 Correct 20 ms 436 KB Output is correct
25 Correct 13 ms 592 KB Output is correct
26 Correct 7 ms 600 KB Output is correct
27 Correct 23 ms 696 KB Output is correct
28 Correct 26 ms 600 KB Output is correct
29 Partially correct 20 ms 440 KB Output is partially correct
30 Partially correct 27 ms 344 KB Output is partially correct
31 Correct 15 ms 600 KB Output is correct
32 Correct 29 ms 436 KB Output is correct
33 Correct 28 ms 592 KB Output is correct
34 Correct 23 ms 600 KB Output is correct
35 Partially correct 29 ms 600 KB Output is partially correct
36 Partially correct 23 ms 432 KB Output is partially correct
37 Correct 23 ms 592 KB Output is correct
38 Correct 24 ms 592 KB Output is correct
39 Correct 22 ms 344 KB Output is correct
40 Correct 19 ms 344 KB Output is correct
41 Partially correct 26 ms 592 KB Output is partially correct
42 Partially correct 27 ms 344 KB Output is partially correct
43 Correct 8 ms 600 KB Output is correct
44 Correct 17 ms 432 KB Output is correct
45 Correct 32 ms 424 KB Output is correct
46 Correct 15 ms 344 KB Output is correct
47 Correct 17 ms 344 KB Output is correct
48 Correct 13 ms 444 KB Output is correct