Submission #1058345

# Submission time Handle Problem Language Result Execution time Memory
1058345 2024-08-14T09:29:07 Z aykhn Rarest Insects (IOI22_insects) C++17
99.78 / 100
38 ms 704 KB
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int min_cardinality(int N) 
{
  vector<int> ord(N, 0);
  iota(ord.begin(), ord.end(), 0);
  shuffle(ord.begin(), ord.end(), rng);
  int uni = 0;
  vector<int> v;
  for (int &i : ord)
  {
    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 : ord)
    {
      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;
}
# 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 2 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 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 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 444 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 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 2 ms 444 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 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 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 444 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 10 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 11 ms 444 KB Output is correct
26 Correct 10 ms 456 KB Output is correct
27 Correct 8 ms 444 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 10 ms 448 KB Output is correct
30 Correct 12 ms 344 KB Output is correct
31 Correct 11 ms 344 KB Output is correct
32 Correct 12 ms 344 KB Output is correct
33 Correct 11 ms 444 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 11 ms 344 KB Output is correct
36 Correct 11 ms 344 KB Output is correct
37 Correct 11 ms 344 KB Output is correct
38 Correct 11 ms 436 KB Output is correct
39 Correct 7 ms 344 KB Output is correct
40 Correct 9 ms 448 KB Output is correct
41 Correct 6 ms 344 KB Output is correct
# 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 21 ms 440 KB Output is correct
8 Correct 10 ms 440 KB Output is correct
9 Correct 19 ms 440 KB Output is correct
10 Correct 23 ms 344 KB Output is correct
11 Correct 18 ms 440 KB Output is correct
12 Correct 14 ms 344 KB Output is correct
13 Correct 25 ms 344 KB Output is correct
14 Correct 25 ms 680 KB Output is correct
15 Correct 20 ms 344 KB Output is correct
16 Correct 22 ms 344 KB Output is correct
17 Correct 24 ms 344 KB Output is correct
18 Correct 21 ms 344 KB Output is correct
19 Partially correct 17 ms 344 KB Output is partially correct
20 Correct 18 ms 600 KB Output is correct
21 Correct 28 ms 592 KB Output is correct
22 Partially correct 25 ms 444 KB Output is partially correct
23 Correct 21 ms 592 KB Output is correct
24 Correct 19 ms 344 KB Output is correct
25 Correct 13 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 25 ms 444 KB Output is correct
28 Correct 29 ms 344 KB Output is correct
29 Partially correct 19 ms 344 KB Output is partially correct
30 Partially correct 25 ms 444 KB Output is partially correct
31 Correct 19 ms 444 KB Output is correct
32 Correct 19 ms 344 KB Output is correct
33 Correct 29 ms 344 KB Output is correct
34 Correct 28 ms 600 KB Output is correct
35 Partially correct 22 ms 344 KB Output is partially correct
36 Partially correct 32 ms 464 KB Output is partially correct
37 Correct 21 ms 344 KB Output is correct
38 Correct 26 ms 592 KB Output is correct
39 Correct 25 ms 704 KB Output is correct
40 Correct 24 ms 340 KB Output is correct
41 Partially correct 24 ms 344 KB Output is partially correct
42 Partially correct 38 ms 436 KB Output is partially correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 14 ms 444 KB Output is correct
45 Correct 33 ms 592 KB Output is correct
46 Correct 17 ms 612 KB Output is correct
47 Correct 16 ms 344 KB Output is correct
48 Correct 19 ms 688 KB Output is correct