Submission #837528

# Submission time Handle Problem Language Result Execution time Memory
837528 2023-08-25T11:49:15 Z erekle Rarest Insects (IOI22_insects) C++17
100 / 100
47 ms 272 KB
#include "insects.h"
#include <vector>

using namespace std;

int cnt = 0;
vector<bool> inside;
void in(int i) {
  if (!inside[i]) {
    ++cnt;
    move_inside(i);
    inside[i] = true;
  }
}
void out(int i) {
  if (inside[i]) {
    --cnt;
    move_outside(i);
    inside[i] = false;
  }
}

int min_cardinality(int N) {
  inside.resize(N);
  vector<bool> defInside(N), defOutside(N);
  for (int i = 0; i < N; ++i) {
    in(i);
    if (press_button() > 1) out(i);
    else defInside[i] = true;
  }

  int m = cnt;
  if (m == 1) return N;
  int left = 1, right = 1 + N/m;
  while (left+1 < right) {
    int k;
    if (m >= 100) k = (60*left + 40*right) / 100;
    else if (m == 58 || m == 59) k = (40*left + 60*right) / 100;
    else k = (left + right) / 2;
    if (k == left) ++k;
    else if (k == right) --k;
    for (int i = 0; i < N; ++i) {
      if (!defInside[i] && !defOutside[i] && inside[i]) out(i);
    }
    for (int i = 0; i < N && cnt < k*m; ++i) {
      if (!defInside[i] && !defOutside[i]) {
        in(i);
        if (press_button() > k) out(i);
      }
    }
    bool atLeastK = cnt == k * m;
    for (int i = 0; i < N; ++i) {
      if (!defInside[i] && !defOutside[i]) {
        if (atLeastK) {
          if (inside[i]) defInside[i] = true;
        } else {
          if (!inside[i]) defOutside[i] = true;
        }
      }
    }
    if (atLeastK) left = k;
    else right = k;
  }
  return left;
}
# 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 1 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 2 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 2 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
# 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 1 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 2 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 2 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 8 ms 208 KB Output is correct
24 Correct 5 ms 208 KB Output is correct
25 Correct 13 ms 208 KB Output is correct
26 Correct 16 ms 208 KB Output is correct
27 Correct 15 ms 208 KB Output is correct
28 Correct 9 ms 208 KB Output is correct
29 Correct 17 ms 208 KB Output is correct
30 Correct 24 ms 208 KB Output is correct
31 Correct 13 ms 208 KB Output is correct
32 Correct 14 ms 208 KB Output is correct
33 Correct 17 ms 208 KB Output is correct
34 Correct 16 ms 208 KB Output is correct
35 Correct 14 ms 208 KB Output is correct
36 Correct 21 ms 208 KB Output is correct
37 Correct 19 ms 208 KB Output is correct
38 Correct 17 ms 208 KB Output is correct
39 Correct 10 ms 208 KB Output is correct
40 Correct 9 ms 208 KB Output is correct
41 Correct 6 ms 208 KB Output is correct
# 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 0 ms 208 KB Output is correct
7 Correct 17 ms 208 KB Output is correct
8 Correct 10 ms 208 KB Output is correct
9 Correct 33 ms 208 KB Output is correct
10 Correct 34 ms 208 KB Output is correct
11 Correct 33 ms 208 KB Output is correct
12 Correct 19 ms 208 KB Output is correct
13 Correct 34 ms 208 KB Output is correct
14 Correct 35 ms 208 KB Output is correct
15 Correct 35 ms 208 KB Output is correct
16 Correct 26 ms 208 KB Output is correct
17 Correct 29 ms 208 KB Output is correct
18 Correct 23 ms 208 KB Output is correct
19 Correct 30 ms 208 KB Output is correct
20 Correct 28 ms 208 KB Output is correct
21 Correct 32 ms 272 KB Output is correct
22 Correct 34 ms 208 KB Output is correct
23 Correct 25 ms 208 KB Output is correct
24 Correct 20 ms 208 KB Output is correct
25 Correct 22 ms 208 KB Output is correct
26 Correct 11 ms 208 KB Output is correct
27 Correct 37 ms 208 KB Output is correct
28 Correct 24 ms 208 KB Output is correct
29 Correct 45 ms 256 KB Output is correct
30 Correct 37 ms 208 KB Output is correct
31 Correct 44 ms 208 KB Output is correct
32 Correct 37 ms 264 KB Output is correct
33 Correct 29 ms 208 KB Output is correct
34 Correct 26 ms 208 KB Output is correct
35 Correct 41 ms 208 KB Output is correct
36 Correct 38 ms 208 KB Output is correct
37 Correct 33 ms 208 KB Output is correct
38 Correct 47 ms 264 KB Output is correct
39 Correct 33 ms 208 KB Output is correct
40 Correct 33 ms 208 KB Output is correct
41 Correct 25 ms 208 KB Output is correct
42 Correct 34 ms 208 KB Output is correct
43 Correct 11 ms 208 KB Output is correct
44 Correct 29 ms 208 KB Output is correct
45 Correct 22 ms 208 KB Output is correct
46 Correct 12 ms 208 KB Output is correct
47 Correct 25 ms 208 KB Output is correct
48 Correct 20 ms 208 KB Output is correct