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Submission #1058420

# Submission time Handle Problem Language Result Execution time Memory
1058420 2024-08-14T09:55:44 Z aykhn Rarest Insects (IOI22_insects) C++17
100 / 100
 35 ms 932 KB 
#include "insects.h"
#include <bits/stdc++.h>
 
using namespace std;
 
int min_cardinality(int N) 
{
  srand(time(0));
  vector<int> ord(N, 0);
  iota(ord.begin(), ord.end(), 0);
  random_shuffle(ord.begin(), ord.end());
  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);
  }
  vector<int> in(N, 0);
  vector<int> alive(N, 1);
  int cur = v.size();
  for (int &i : v) alive[i] = 0;
  v.clear();
  int l = 1, r = N / uni;
  while (l < r)
  {
    int mid = (l + r + 1) >> 1;
    for (int &i : ord)
    {
      if (mid * uni == cur) break;
      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 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 340 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 852 KB Output is correct
12 Correct 3 ms 436 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 432 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 432 KB Output is correct
19 Correct 1 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 1 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 340 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 852 KB Output is correct
12 Correct 3 ms 436 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 432 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 432 KB Output is correct
19 Correct 1 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 1 ms 344 KB Output is correct
23 Correct 8 ms 344 KB Output is correct
24 Correct 4 ms 452 KB Output is correct
25 Correct 11 ms 600 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 11 ms 344 KB Output is correct
28 Correct 6 ms 440 KB Output is correct
29 Correct 10 ms 344 KB Output is correct
30 Correct 15 ms 344 KB Output is correct
31 Correct 9 ms 452 KB Output is correct
32 Correct 7 ms 344 KB Output is correct
33 Correct 15 ms 600 KB Output is correct
34 Correct 8 ms 344 KB Output is correct
35 Correct 15 ms 344 KB Output is correct
36 Correct 8 ms 344 KB Output is correct
37 Correct 14 ms 600 KB Output is correct
38 Correct 10 ms 452 KB Output is correct
39 Correct 12 ms 344 KB Output is correct
40 Correct 6 ms 444 KB Output is correct
41 Correct 3 ms 344 KB Output is correct

Subtask #3
75.0 / 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 504 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 14 ms 444 KB Output is correct
8 Correct 8 ms 700 KB Output is correct
9 Correct 20 ms 592 KB Output is correct
10 Correct 27 ms 464 KB Output is correct
11 Correct 35 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 22 ms 452 KB Output is correct
14 Correct 27 ms 436 KB Output is correct
15 Correct 11 ms 344 KB Output is correct
16 Correct 24 ms 344 KB Output is correct
17 Correct 21 ms 344 KB Output is correct
18 Correct 22 ms 612 KB Output is correct
19 Correct 25 ms 436 KB Output is correct
20 Correct 22 ms 440 KB Output is correct
21 Correct 23 ms 444 KB Output is correct
22 Correct 28 ms 932 KB Output is correct
23 Correct 26 ms 436 KB Output is correct
24 Correct 22 ms 448 KB Output is correct
25 Correct 16 ms 448 KB Output is correct
26 Correct 10 ms 452 KB Output is correct
27 Correct 22 ms 424 KB Output is correct
28 Correct 16 ms 464 KB Output is correct
29 Correct 22 ms 432 KB Output is correct
30 Correct 19 ms 436 KB Output is correct
31 Correct 24 ms 440 KB Output is correct
32 Correct 29 ms 608 KB Output is correct
33 Correct 27 ms 444 KB Output is correct
34 Correct 30 ms 436 KB Output is correct
35 Correct 16 ms 340 KB Output is correct
36 Correct 29 ms 436 KB Output is correct
37 Correct 28 ms 436 KB Output is correct
38 Correct 24 ms 456 KB Output is correct
39 Correct 20 ms 436 KB Output is correct
40 Correct 16 ms 464 KB Output is correct
41 Correct 18 ms 440 KB Output is correct
42 Correct 25 ms 452 KB Output is correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 26 ms 344 KB Output is correct
45 Correct 15 ms 440 KB Output is correct
46 Correct 11 ms 448 KB Output is correct
47 Correct 13 ms 600 KB Output is correct
48 Correct 15 ms 448 KB Output is correct