oj.uz

Submission #633052

# Submission time Handle Problem Language Result Execution time Memory
633052 2022-08-21T13:10:42 Z Mahtimursu Rarest Insects (IOI22_insects) C++17
100 / 100
 82 ms 344 KB 
#include "insects.h"
 
#include <algorithm>
#include <numeric>
#include <random>
#include <vector>
 
using namespace std;
 
int min_cardinality(int n) {
  mt19937_64 gen{312321321321};
  vector<int> inds(n);
  iota(inds.begin(), inds.end(), 0);
  shuffle(inds.begin(), inds.end(), gen);
  vector<int> avail;
  int inside = 0, types = 0;
  for (int i : inds) {
    move_inside(i), inside++;
    if (press_button() == 1) {
      types++;
    } else {
      avail.push_back(i);
      move_outside(i), inside--;
    }
  }
  if (types == 1 || types == n) {
    return 1 ^ n ^ types;
  }
  int l = 1, r = n / types;
  while (l < r) {
    int m = (l + r + 1) / 2, k = m;
    vector<int> vin, vout;
    shuffle(avail.begin(), avail.end(), gen);
    for (int i : avail) {
      if (inside == k * types) {
        vout.push_back(i);
        continue;
      }
      move_inside(i), inside++;
      if (press_button() > k) {
        move_outside(i), inside--;
        vout.push_back(i);
      } else {
        vin.push_back(i);
      }
    }
    if (inside < k * types) {
      for (int u : vin) {
        move_outside(u), inside--;
      }
      avail = vin;
      r = m - 1;
    } else {
      avail = vout;
      l = m;
    }
  }
  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 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 0 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 6 ms 272 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 6 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 7 ms 284 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 5 ms 288 KB Output is correct
15 Correct 4 ms 288 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 6 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 288 KB Output is correct
21 Correct 3 ms 292 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 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 0 ms 208 KB Output is correct
6 Correct 2 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 6 ms 272 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 6 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 7 ms 284 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 5 ms 288 KB Output is correct
15 Correct 4 ms 288 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 6 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 288 KB Output is correct
21 Correct 3 ms 292 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 9 ms 208 KB Output is correct
24 Correct 8 ms 208 KB Output is correct
25 Correct 19 ms 208 KB Output is correct
26 Correct 25 ms 208 KB Output is correct
27 Correct 24 ms 256 KB Output is correct
28 Correct 8 ms 296 KB Output is correct
29 Correct 21 ms 292 KB Output is correct
30 Correct 20 ms 292 KB Output is correct
31 Correct 16 ms 208 KB Output is correct
32 Correct 18 ms 296 KB Output is correct
33 Correct 20 ms 288 KB Output is correct
34 Correct 23 ms 296 KB Output is correct
35 Correct 27 ms 296 KB Output is correct
36 Correct 25 ms 292 KB Output is correct
37 Correct 24 ms 288 KB Output is correct
38 Correct 18 ms 208 KB Output is correct
39 Correct 27 ms 280 KB Output is correct
40 Correct 17 ms 292 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 0 ms 208 KB Output is correct
2 Correct 1 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 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 17 ms 208 KB Output is correct
8 Correct 16 ms 208 KB Output is correct
9 Correct 62 ms 296 KB Output is correct
10 Correct 52 ms 300 KB Output is correct
11 Correct 38 ms 296 KB Output is correct
12 Correct 26 ms 292 KB Output is correct
13 Correct 25 ms 208 KB Output is correct
14 Correct 55 ms 288 KB Output is correct
15 Correct 82 ms 208 KB Output is correct
16 Correct 34 ms 296 KB Output is correct
17 Correct 41 ms 308 KB Output is correct
18 Correct 39 ms 292 KB Output is correct
19 Correct 38 ms 296 KB Output is correct
20 Correct 20 ms 300 KB Output is correct
21 Correct 41 ms 296 KB Output is correct
22 Correct 43 ms 300 KB Output is correct
23 Correct 46 ms 288 KB Output is correct
24 Correct 24 ms 208 KB Output is correct
25 Correct 16 ms 208 KB Output is correct
26 Correct 20 ms 208 KB Output is correct
27 Correct 44 ms 208 KB Output is correct
28 Correct 37 ms 304 KB Output is correct
29 Correct 42 ms 292 KB Output is correct
30 Correct 33 ms 304 KB Output is correct
31 Correct 29 ms 292 KB Output is correct
32 Correct 27 ms 296 KB Output is correct
33 Correct 43 ms 296 KB Output is correct
34 Correct 65 ms 296 KB Output is correct
35 Correct 62 ms 292 KB Output is correct
36 Correct 40 ms 300 KB Output is correct
37 Correct 57 ms 292 KB Output is correct
38 Correct 55 ms 308 KB Output is correct
39 Correct 73 ms 296 KB Output is correct
40 Correct 38 ms 300 KB Output is correct
41 Correct 39 ms 292 KB Output is correct
42 Correct 54 ms 288 KB Output is correct
43 Correct 10 ms 296 KB Output is correct
44 Correct 44 ms 292 KB Output is correct
45 Correct 44 ms 304 KB Output is correct
46 Correct 35 ms 276 KB Output is correct
47 Correct 23 ms 344 KB Output is correct
48 Correct 27 ms 284 KB Output is correct