Submission #1070858

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1070858	2024-08-22T19:57:25 Z	JoenPoenMan	Rarest Insects (IOI22_insects)	C++17	86.1 / 100	59 ms	688 KB

insects

#include "insects.h"

#include <bits/stdc++.h>

using namespace std;



int min_cardinality(int n) {
  int k = 0;
  vector<int> S;
  for (int i = 0; i< n; i++) {
      move_inside(i);
      if (press_button() == 2) {
          move_outside(i);
      } else S.push_back(i);
  }
  k = S.size();
  
  
  int _n = n, y = 0;
  vector<bool> active(n, 1);
  while (_n >= k) { 
      int x = (_n+2*k-1)/(2*k);
      for (int i : S) move_outside(i);
      S.clear();
      for (int i = 0; i< n; i++) if (active[i]) {
          move_inside(i);
          if (press_button() == x+1) {
              move_outside(i);
          } else S.push_back(i);
      }
      
      if (S.size() < x*k) {
          active.assign(n, 0);
          _n = 0;
          for (int i : S) active[i] = 1, _n++;
      } else {
          for (int i : S) {
              _n -= active[i];
              active[i] = 0;
          }
          y += x;
      }
      
  }
  
  int l = 0, h = _n;
  while (l < h) {
      int x = (l+h+1)/2;
      for (int i : S) move_outside(i);
      S.clear();
      for (int i = 0; i< n; i++) if (active[i]) {
          move_inside(i);
          if (press_button() == x+1) {
              move_outside(i);
          } else S.push_back(i);
      }
      
      if (S.size() < x*k) {
          h = x-1;
      } else {
          l = x;
      }
  }
  return y+l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:34:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |       if (S.size() < x*k) {
      |           ~~~~~~~~~^~~~~
insects.cpp:60:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   60 |       if (S.size() < x*k) {
      |           ~~~~~~~~~^~~~~

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	504 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	5 ms	344 KB	Output is correct
7	Correct	3 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	3 ms	340 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	5 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	3 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	3 ms	344 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	4 ms	344 KB	Output is correct
20	Correct	4 ms	344 KB	Output is correct
21	Correct	6 ms	600 KB	Output is correct
22	Correct	3 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	504 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	5 ms	344 KB	Output is correct
7	Correct	3 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	3 ms	340 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	5 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	3 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	3 ms	344 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	4 ms	344 KB	Output is correct
20	Correct	4 ms	344 KB	Output is correct
21	Correct	6 ms	600 KB	Output is correct
22	Correct	3 ms	344 KB	Output is correct
23	Correct	24 ms	436 KB	Output is correct
24	Correct	8 ms	344 KB	Output is correct
25	Correct	22 ms	432 KB	Output is correct
26	Correct	23 ms	600 KB	Output is correct
27	Correct	9 ms	344 KB	Output is correct
28	Correct	24 ms	600 KB	Output is correct
29	Correct	15 ms	600 KB	Output is correct
30	Correct	16 ms	428 KB	Output is correct
31	Correct	20 ms	344 KB	Output is correct
32	Correct	14 ms	344 KB	Output is correct
33	Correct	10 ms	432 KB	Output is correct
34	Correct	20 ms	440 KB	Output is correct
35	Correct	22 ms	344 KB	Output is correct
36	Correct	14 ms	344 KB	Output is correct
37	Correct	14 ms	344 KB	Output is correct
38	Correct	18 ms	436 KB	Output is correct
39	Correct	19 ms	344 KB	Output is correct
40	Correct	26 ms	600 KB	Output is correct
41	Correct	28 ms	600 KB	Output is correct

Subtask #3
61.1 / 75.0

#	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	1 ms	344 KB	Output is correct
7	Correct	32 ms	428 KB	Output is correct
8	Correct	16 ms	340 KB	Output is correct
9	Correct	31 ms	688 KB	Output is correct
10	Partially correct	31 ms	344 KB	Output is partially correct
11	Correct	23 ms	344 KB	Output is correct
12	Correct	24 ms	664 KB	Output is correct
13	Correct	35 ms	428 KB	Output is correct
14	Partially correct	26 ms	344 KB	Output is partially correct
15	Correct	31 ms	344 KB	Output is correct
16	Correct	30 ms	344 KB	Output is correct
17	Partially correct	35 ms	592 KB	Output is partially correct
18	Correct	32 ms	600 KB	Output is correct
19	Correct	33 ms	428 KB	Output is correct
20	Correct	29 ms	344 KB	Output is correct
21	Partially correct	27 ms	428 KB	Output is partially correct
22	Partially correct	47 ms	344 KB	Output is partially correct
23	Partially correct	57 ms	344 KB	Output is partially correct
24	Partially correct	51 ms	592 KB	Output is partially correct
25	Partially correct	59 ms	688 KB	Output is partially correct
26	Partially correct	54 ms	600 KB	Output is partially correct
27	Partially correct	22 ms	588 KB	Output is partially correct
28	Partially correct	42 ms	412 KB	Output is partially correct
29	Partially correct	32 ms	592 KB	Output is partially correct
30	Partially correct	32 ms	344 KB	Output is partially correct
31	Partially correct	27 ms	436 KB	Output is partially correct
32	Partially correct	32 ms	436 KB	Output is partially correct
33	Partially correct	43 ms	428 KB	Output is partially correct
34	Partially correct	38 ms	344 KB	Output is partially correct
35	Partially correct	34 ms	344 KB	Output is partially correct
36	Partially correct	33 ms	344 KB	Output is partially correct
37	Partially correct	36 ms	428 KB	Output is partially correct
38	Partially correct	20 ms	344 KB	Output is partially correct
39	Partially correct	42 ms	664 KB	Output is partially correct
40	Partially correct	32 ms	668 KB	Output is partially correct
41	Partially correct	38 ms	428 KB	Output is partially correct
42	Partially correct	40 ms	592 KB	Output is partially correct
43	Correct	6 ms	344 KB	Output is correct
44	Correct	16 ms	344 KB	Output is correct
45	Correct	28 ms	436 KB	Output is correct
46	Correct	20 ms	596 KB	Output is correct
47	Correct	29 ms	344 KB	Output is correct
48	Correct	24 ms	344 KB	Output is correct

Submission #1070858

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 61.1 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
61.1 / 75.0