답안 #838802

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
838802	2023-08-27T18:45:03 Z	taher	드문 곤충 (IOI22_insects)	C++17	97.24 / 100	55 ms	456 KB

insects

#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

mt19937 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count());

int min_cardinality(int N) {
  int n = N;
  vector<int> in(n);
  
  vector<int> roots;
  for (int i = 0; i < n; i++) {
    move_inside(i);
    if (press_button() == 2) {
      move_outside(i); 
    } else {
      roots.push_back(i);
      in[i] = true; 
    }
  }
  assert((int) roots.size() > 0);
  
  if ((int) roots.size() == 1) {
    return n; 
  }
  
  int base = (int) roots.size();
  vector<int> possible;
  for (int i = 0; i < n; i++) {
    possible.push_back(i); 
  }
  
  vector<int> max_value(n);
  vector<int> min_value(n, 1234567);
 
  auto Check = [&](int mid) {
    vector<int> tmp;
    for (int id = 0; id < (int) possible.size(); id++) {
      int i = possible[id];
      if (in[i] || max_value[i] > mid) {
        continue; 
      }
      move_inside(i);
      
      if (min_value[i] < mid) {
        tmp.push_back(i);
        roots.push_back(i);
        in[i] = true; 
      } else {
        if (press_button() > mid) {
          max_value[i] = max(max_value[i], mid);
          move_outside(i);
        } else {
          min_value[i] = min(min_value[i], mid);
          tmp.push_back(i);
          roots.push_back(i);
          in[i] = true;
        }
      }
    }
    if ((int) roots.size() == base * mid) {
      sort(roots.begin(), roots.end());
      return true;
    }
    possible = roots;
    for (int i = 0; i < (int) tmp.size(); i++) {
      roots.pop_back(); 
      in[tmp[i]] = false;
      move_outside(tmp[i]);
    }
    sort(roots.begin(), roots.end());
    sort(possible.begin(), possible.end());
    return false;
  };
  
  int low = 1;
  int high = n / (int) roots.size();
  
  while (low <= high) {
    int mid = low + (high - low) / 2 + (rng() % 2);
    
    if (Check(mid)) {
      low = mid + 1;
    } else  {
      high = mid - 1; 
    } 
  }
  --low;
  return low;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	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	5 ms	208 KB	Output is correct
9	Correct	6 ms	304 KB	Output is correct
10	Correct	4 ms	208 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	4 ms	208 KB	Output is correct
13	Correct	3 ms	208 KB	Output is correct
14	Correct	4 ms	304 KB	Output is correct
15	Correct	6 ms	312 KB	Output is correct
16	Correct	6 ms	308 KB	Output is correct
17	Correct	5 ms	312 KB	Output is correct
18	Correct	6 ms	308 KB	Output is correct
19	Correct	3 ms	208 KB	Output is correct
20	Correct	3 ms	300 KB	Output is correct
21	Correct	6 ms	304 KB	Output is correct
22	Correct	2 ms	208 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	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	5 ms	208 KB	Output is correct
9	Correct	6 ms	304 KB	Output is correct
10	Correct	4 ms	208 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	4 ms	208 KB	Output is correct
13	Correct	3 ms	208 KB	Output is correct
14	Correct	4 ms	304 KB	Output is correct
15	Correct	6 ms	312 KB	Output is correct
16	Correct	6 ms	308 KB	Output is correct
17	Correct	5 ms	312 KB	Output is correct
18	Correct	6 ms	308 KB	Output is correct
19	Correct	3 ms	208 KB	Output is correct
20	Correct	3 ms	300 KB	Output is correct
21	Correct	6 ms	304 KB	Output is correct
22	Correct	2 ms	208 KB	Output is correct
23	Correct	7 ms	208 KB	Output is correct
24	Correct	6 ms	308 KB	Output is correct
25	Correct	15 ms	208 KB	Output is correct
26	Correct	20 ms	208 KB	Output is correct
27	Correct	18 ms	300 KB	Output is correct
28	Correct	12 ms	312 KB	Output is correct
29	Correct	17 ms	308 KB	Output is correct
30	Correct	17 ms	208 KB	Output is correct
31	Correct	22 ms	208 KB	Output is correct
32	Correct	23 ms	300 KB	Output is correct
33	Correct	27 ms	300 KB	Output is correct
34	Correct	18 ms	316 KB	Output is correct
35	Correct	28 ms	208 KB	Output is correct
36	Correct	24 ms	288 KB	Output is correct
37	Correct	27 ms	304 KB	Output is correct
38	Correct	22 ms	304 KB	Output is correct
39	Correct	15 ms	304 KB	Output is correct
40	Correct	12 ms	308 KB	Output is correct
41	Correct	9 ms	208 KB	Output is correct

Subtask #3
72.24 / 75.0

#	결과	실행 시간	메모리	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	13 ms	208 KB	Output is correct
8	Correct	14 ms	312 KB	Output is correct
9	Correct	53 ms	304 KB	Output is correct
10	Correct	39 ms	456 KB	Output is correct
11	Correct	31 ms	300 KB	Output is correct
12	Correct	19 ms	308 KB	Output is correct
13	Correct	43 ms	308 KB	Output is correct
14	Correct	20 ms	332 KB	Output is correct
15	Correct	52 ms	300 KB	Output is correct
16	Correct	47 ms	288 KB	Output is correct
17	Correct	41 ms	308 KB	Output is correct
18	Correct	35 ms	328 KB	Output is correct
19	Correct	50 ms	332 KB	Output is correct
20	Correct	39 ms	320 KB	Output is correct
21	Correct	53 ms	288 KB	Output is correct
22	Correct	50 ms	336 KB	Output is correct
23	Correct	38 ms	332 KB	Output is correct
24	Correct	44 ms	320 KB	Output is correct
25	Correct	27 ms	328 KB	Output is correct
26	Correct	26 ms	312 KB	Output is correct
27	Correct	35 ms	336 KB	Output is correct
28	Correct	45 ms	292 KB	Output is correct
29	Partially correct	53 ms	320 KB	Output is partially correct
30	Correct	20 ms	300 KB	Output is correct
31	Partially correct	37 ms	332 KB	Output is partially correct
32	Correct	35 ms	332 KB	Output is correct
33	Correct	37 ms	300 KB	Output is correct
34	Correct	36 ms	340 KB	Output is correct
35	Correct	38 ms	328 KB	Output is correct
36	Correct	32 ms	292 KB	Output is correct
37	Correct	24 ms	308 KB	Output is correct
38	Correct	41 ms	340 KB	Output is correct
39	Partially correct	25 ms	332 KB	Output is partially correct
40	Correct	47 ms	304 KB	Output is correct
41	Correct	36 ms	336 KB	Output is correct
42	Correct	21 ms	300 KB	Output is correct
43	Correct	11 ms	208 KB	Output is correct
44	Correct	45 ms	320 KB	Output is correct
45	Correct	55 ms	292 KB	Output is correct
46	Correct	20 ms	316 KB	Output is correct
47	Correct	26 ms	308 KB	Output is correct
48	Correct	27 ms	304 KB	Output is correct

답안 #838802

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 72.24 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
72.24 / 75.0