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Submission #652779

# Submission time Handle Problem Language Result Execution time Memory
652779 2022-10-24T09:40:40 Z Blagoj Rarest Insects (IOI22_insects) C++17
100 / 100
 70 ms 312 KB 
#include "insects.h"
#include <bits/stdc++.h>
 
using namespace std;
 
bool good[2001];
 
int Unique(int N)
{
  int cnt = 0;
  for (int i = 0; i < N; i++)
  {
    move_inside(i);
    if (press_button() == 2)
    {
      move_outside(i);
      continue;
    }
    good[i] = false;
    cnt++;
  }
  return cnt;
}

mt19937 _rand(time(NULL));

int min_cardinality(int N) {
  // move_inside(int i);
  // void move_outside(int i);
  // press_button();
  vector<int> v;
  for (int i = 0; i < N; i++)
  {
    v.push_back(i);
    good[i] = true;
  }
  int unique = Unique(N);
  int l = 1, r = (N / unique) + 1, mid, placed = unique;
  while (l + 1 < r)
  {
    shuffle(v.begin(), v.end(), _rand);
    mid = (l + r) / 2;
    int area = placed;
    queue<int> bad;
    queue<int> used;
    for (auto i : v)
    {
      if (area == unique * mid)
      {
        break;
      }
      if (good[i])
      {
        move_inside(i);
        if (press_button() > mid)
        {
          bad.push(i);
          move_outside(i);
        }
        else
        {
          used.push(i);
          area++;
        }
      }
    }
    if (area == unique * mid)
    {
      while (!used.empty())
      {
        good[used.front()] = false;
        used.pop();
      }
      placed = area;
      l = mid;
    }
    else
    {
      while (!bad.empty())
      {
        good[bad.front()] = false;
        bad.pop();
      }
      while (!used.empty())
      {
        move_outside(used.front());
        used.pop();
      }
      r = mid;
    }
  }
  return l;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 7 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 7 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 6 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 7 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 7 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 6 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 23 ms 208 KB Output is correct
24 Correct 10 ms 208 KB Output is correct
25 Correct 26 ms 208 KB Output is correct
26 Correct 29 ms 308 KB Output is correct
27 Correct 14 ms 208 KB Output is correct
28 Correct 11 ms 208 KB Output is correct
29 Correct 30 ms 208 KB Output is correct
30 Correct 14 ms 208 KB Output is correct
31 Correct 28 ms 208 KB Output is correct
32 Correct 19 ms 208 KB Output is correct
33 Correct 20 ms 208 KB Output is correct
34 Correct 24 ms 208 KB Output is correct
35 Correct 18 ms 208 KB Output is correct
36 Correct 28 ms 208 KB Output is correct
37 Correct 25 ms 208 KB Output is correct
38 Correct 20 ms 208 KB Output is correct
39 Correct 18 ms 208 KB Output is correct
40 Correct 13 ms 208 KB Output is correct
41 Correct 8 ms 208 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 28 ms 300 KB Output is correct
8 Correct 21 ms 208 KB Output is correct
9 Correct 51 ms 296 KB Output is correct
10 Correct 26 ms 296 KB Output is correct
11 Correct 47 ms 300 KB Output is correct
12 Correct 14 ms 300 KB Output is correct
13 Correct 27 ms 296 KB Output is correct
14 Correct 70 ms 208 KB Output is correct
15 Correct 35 ms 300 KB Output is correct
16 Correct 49 ms 208 KB Output is correct
17 Correct 49 ms 296 KB Output is correct
18 Correct 41 ms 308 KB Output is correct
19 Correct 33 ms 300 KB Output is correct
20 Correct 34 ms 208 KB Output is correct
21 Correct 44 ms 312 KB Output is correct
22 Correct 48 ms 304 KB Output is correct
23 Correct 39 ms 208 KB Output is correct
24 Correct 40 ms 300 KB Output is correct
25 Correct 35 ms 300 KB Output is correct
26 Correct 17 ms 208 KB Output is correct
27 Correct 45 ms 300 KB Output is correct
28 Correct 49 ms 300 KB Output is correct
29 Correct 47 ms 208 KB Output is correct
30 Correct 39 ms 304 KB Output is correct
31 Correct 50 ms 304 KB Output is correct
32 Correct 59 ms 208 KB Output is correct
33 Correct 45 ms 312 KB Output is correct
34 Correct 48 ms 304 KB Output is correct
35 Correct 44 ms 208 KB Output is correct
36 Correct 45 ms 208 KB Output is correct
37 Correct 49 ms 208 KB Output is correct
38 Correct 55 ms 296 KB Output is correct
39 Correct 40 ms 312 KB Output is correct
40 Correct 37 ms 300 KB Output is correct
41 Correct 48 ms 296 KB Output is correct
42 Correct 39 ms 308 KB Output is correct
43 Correct 12 ms 208 KB Output is correct
44 Correct 34 ms 300 KB Output is correct
45 Correct 41 ms 300 KB Output is correct
46 Correct 30 ms 300 KB Output is correct
47 Correct 26 ms 300 KB Output is correct
48 Correct 24 ms 208 KB Output is correct