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Submission #745082

# Submission time Handle Problem Language Result Execution time Memory
745082 2023-05-19T11:33:01 Z math_rabbit_1028 Rarest Insects (IOI22_insects) C++17
100 / 100
 69 ms 420 KB 
#include "insects.h"
 
#include <bits/stdc++.h>
using namespace std;
 
int types = 0, ch[2020], use[2020], cnt = 0;
 
int min_cardinality(int N) {
 
  // calculate types: N times
  for (int i = 0; i < N; i++) {
    move_inside(i);
    if (press_button() >= 2) move_outside(i);
    else {
      ch[i] = 1;
      types++;
      cnt++;
      use[i] = 1;
    }
  }
 
  int st = 1, ed = N / types;
  while (st < ed) {
    int x = (st + ed + 1 + min(2, (ed - st)/10)) / 2;
    for (int i = 0; i < N; i++) {
      if (ch[i] == 1) continue;
      move_inside(i);
      if (press_button() > x) move_outside(i);
      else {
        use[i] = 1;
        cnt++;
      }
    }
    if (cnt == x * types) {
      st = x;
      for (int i = 0; i < N; i++) if (use[i] == 1) ch[i] = 1;
    }
    else {
      ed = x - 1;
      for (int i = 0; i < N; i++) if (use[i] == 0) ch[i] = 1;
    }
    for (int i = 0; i < N; i++) {
      if (ch[i] == 1) continue;
      if (use[i] == 1) {
        move_outside(i);
        cnt--;
        use[i] = 0;
      }
    }
  }
 
  return st;
}

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 0 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 5 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 4 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 4 ms 208 KB Output is correct
20 Correct 3 ms 300 KB Output is correct
21 Correct 3 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 0 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 5 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 4 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 4 ms 208 KB Output is correct
20 Correct 3 ms 300 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 25 ms 292 KB Output is correct
24 Correct 11 ms 208 KB Output is correct
25 Correct 24 ms 296 KB Output is correct
26 Correct 26 ms 304 KB Output is correct
27 Correct 19 ms 292 KB Output is correct
28 Correct 9 ms 208 KB Output is correct
29 Correct 22 ms 308 KB Output is correct
30 Correct 27 ms 288 KB Output is correct
31 Correct 25 ms 328 KB Output is correct
32 Correct 23 ms 292 KB Output is correct
33 Correct 30 ms 208 KB Output is correct
34 Correct 28 ms 208 KB Output is correct
35 Correct 23 ms 208 KB Output is correct
36 Correct 17 ms 300 KB Output is correct
37 Correct 23 ms 208 KB Output is correct
38 Correct 26 ms 292 KB Output is correct
39 Correct 11 ms 304 KB Output is correct
40 Correct 17 ms 208 KB Output is correct
41 Correct 11 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 1 ms 208 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 61 ms 284 KB Output is correct
8 Correct 21 ms 308 KB Output is correct
9 Correct 60 ms 288 KB Output is correct
10 Correct 46 ms 208 KB Output is correct
11 Correct 50 ms 284 KB Output is correct
12 Correct 25 ms 208 KB Output is correct
13 Correct 46 ms 288 KB Output is correct
14 Correct 51 ms 304 KB Output is correct
15 Correct 50 ms 208 KB Output is correct
16 Correct 57 ms 208 KB Output is correct
17 Correct 53 ms 292 KB Output is correct
18 Correct 51 ms 208 KB Output is correct
19 Correct 23 ms 304 KB Output is correct
20 Correct 58 ms 284 KB Output is correct
21 Correct 55 ms 292 KB Output is correct
22 Correct 60 ms 292 KB Output is correct
23 Correct 43 ms 288 KB Output is correct
24 Correct 36 ms 304 KB Output is correct
25 Correct 34 ms 300 KB Output is correct
26 Correct 22 ms 208 KB Output is correct
27 Correct 53 ms 292 KB Output is correct
28 Correct 40 ms 292 KB Output is correct
29 Correct 44 ms 328 KB Output is correct
30 Correct 26 ms 292 KB Output is correct
31 Correct 47 ms 292 KB Output is correct
32 Correct 51 ms 208 KB Output is correct
33 Correct 62 ms 288 KB Output is correct
34 Correct 53 ms 292 KB Output is correct
35 Correct 59 ms 284 KB Output is correct
36 Correct 48 ms 328 KB Output is correct
37 Correct 39 ms 420 KB Output is correct
38 Correct 54 ms 328 KB Output is correct
39 Correct 51 ms 208 KB Output is correct
40 Correct 50 ms 292 KB Output is correct
41 Correct 57 ms 288 KB Output is correct
42 Correct 69 ms 208 KB Output is correct
43 Correct 14 ms 208 KB Output is correct
44 Correct 41 ms 312 KB Output is correct
45 Correct 26 ms 208 KB Output is correct
46 Correct 23 ms 300 KB Output is correct
47 Correct 33 ms 208 KB Output is correct
48 Correct 13 ms 208 KB Output is correct