Submission #1045662

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1045662	2024-08-06T06:49:13 Z	Soumya1	Rarest Insects (IOI22_insects)	C++17	99.89 / 100	36 ms	696 KB

insects

#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int min_cardinality(int n) {
  vector<int> all;
  int d = 1;
  move_inside(0);
  for (int i = 1; i < n; i++) {
    move_inside(i);
    if (press_button() != 1) {
      move_outside(i);
      all.push_back(i);
    } else {
      d++;
    }
  }
  int lo = 1, hi = n / d;
  int total_in = d;
  auto check = [&](int mid) {
    vector<int> in, out;
    for (int i : all) {
      move_inside(i);
      if (press_button() > mid) {
        out.push_back(i);
        move_outside(i);
      } else {
        in.push_back(i);
      }
    }
    if (total_in + in.size() == d * mid) {
      total_in += in.size();
      all = out;
      return true;
    }
    for (int i : in) move_outside(i);
    all = in;
    return false;
  };
  while (lo < hi) {
    int mid = (lo + hi + 1) >> 1;
    if (check(mid)) lo = mid;
    else hi = mid - 1;
  }
  return lo;
}

Compilation message

insects.cpp: In lambda function:
insects.cpp:30:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |     if (total_in + in.size() == d * mid) {
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~

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	344 KB	Output is correct
6	Correct	2 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	344 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	2 ms	344 KB	Output is correct
14	Correct	3 ms	344 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	2 ms	344 KB	Output is correct
18	Correct	2 ms	344 KB	Output is correct
19	Correct	2 ms	344 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	2 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	344 KB	Output is correct
6	Correct	2 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	344 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	2 ms	344 KB	Output is correct
14	Correct	3 ms	344 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	2 ms	344 KB	Output is correct
18	Correct	2 ms	344 KB	Output is correct
19	Correct	2 ms	344 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	2 ms	344 KB	Output is correct
23	Correct	9 ms	440 KB	Output is correct
24	Correct	4 ms	344 KB	Output is correct
25	Correct	17 ms	608 KB	Output is correct
26	Correct	12 ms	440 KB	Output is correct
27	Correct	13 ms	436 KB	Output is correct
28	Correct	5 ms	440 KB	Output is correct
29	Correct	16 ms	440 KB	Output is correct
30	Correct	15 ms	344 KB	Output is correct
31	Correct	12 ms	444 KB	Output is correct
32	Correct	9 ms	432 KB	Output is correct
33	Correct	13 ms	440 KB	Output is correct
34	Correct	14 ms	444 KB	Output is correct
35	Correct	16 ms	344 KB	Output is correct
36	Correct	12 ms	444 KB	Output is correct
37	Correct	14 ms	420 KB	Output is correct
38	Correct	9 ms	452 KB	Output is correct
39	Correct	9 ms	344 KB	Output is correct
40	Correct	6 ms	696 KB	Output is correct
41	Correct	4 ms	344 KB	Output is correct

Subtask #3
74.89 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	344 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	27 ms	444 KB	Output is correct
8	Correct	8 ms	344 KB	Output is correct
9	Correct	27 ms	696 KB	Output is correct
10	Correct	22 ms	440 KB	Output is correct
11	Correct	21 ms	432 KB	Output is correct
12	Correct	10 ms	344 KB	Output is correct
13	Correct	17 ms	424 KB	Output is correct
14	Correct	27 ms	600 KB	Output is correct
15	Correct	28 ms	440 KB	Output is correct
16	Correct	24 ms	608 KB	Output is correct
17	Correct	27 ms	444 KB	Output is correct
18	Correct	26 ms	452 KB	Output is correct
19	Partially correct	25 ms	344 KB	Output is partially correct
20	Correct	19 ms	444 KB	Output is correct
21	Correct	24 ms	600 KB	Output is correct
22	Correct	21 ms	444 KB	Output is correct
23	Correct	14 ms	344 KB	Output is correct
24	Correct	22 ms	444 KB	Output is correct
25	Correct	10 ms	456 KB	Output is correct
26	Correct	8 ms	440 KB	Output is correct
27	Correct	31 ms	344 KB	Output is correct
28	Correct	19 ms	688 KB	Output is correct
29	Partially correct	26 ms	428 KB	Output is partially correct
30	Partially correct	31 ms	344 KB	Output is partially correct
31	Correct	36 ms	600 KB	Output is correct
32	Correct	30 ms	432 KB	Output is correct
33	Correct	19 ms	424 KB	Output is correct
34	Correct	26 ms	344 KB	Output is correct
35	Partially correct	31 ms	344 KB	Output is partially correct
36	Partially correct	27 ms	448 KB	Output is partially correct
37	Correct	25 ms	592 KB	Output is correct
38	Correct	21 ms	600 KB	Output is correct
39	Correct	34 ms	592 KB	Output is correct
40	Correct	31 ms	592 KB	Output is correct
41	Partially correct	32 ms	440 KB	Output is partially correct
42	Partially correct	18 ms	596 KB	Output is partially correct
43	Correct	8 ms	344 KB	Output is correct
44	Correct	16 ms	344 KB	Output is correct
45	Correct	24 ms	588 KB	Output is correct
46	Correct	11 ms	444 KB	Output is correct
47	Correct	14 ms	444 KB	Output is correct
48	Correct	13 ms	440 KB	Output is correct

Submission #1045662

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.89 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.89 / 75.0