답안 #838800

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
838800	2023-08-27T18:44:05 Z	taher	드문 곤충 (IOI22_insects)	C++17	98.28 / 100	50 ms	448 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 = 2;
  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	1 ms	208 KB	Output is correct
7	Correct	2 ms	304 KB	Output is correct
8	Correct	4 ms	428 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	4 ms	208 KB	Output is correct
13	Correct	6 ms	208 KB	Output is correct
14	Correct	6 ms	300 KB	Output is correct
15	Correct	6 ms	208 KB	Output is correct
16	Correct	5 ms	208 KB	Output is correct
17	Correct	5 ms	208 KB	Output is correct
18	Correct	6 ms	336 KB	Output is correct
19	Correct	4 ms	304 KB	Output is correct
20	Correct	2 ms	304 KB	Output is correct
21	Correct	4 ms	208 KB	Output is correct
22	Correct	2 ms	300 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	1 ms	208 KB	Output is correct
7	Correct	2 ms	304 KB	Output is correct
8	Correct	4 ms	428 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	4 ms	208 KB	Output is correct
13	Correct	6 ms	208 KB	Output is correct
14	Correct	6 ms	300 KB	Output is correct
15	Correct	6 ms	208 KB	Output is correct
16	Correct	5 ms	208 KB	Output is correct
17	Correct	5 ms	208 KB	Output is correct
18	Correct	6 ms	336 KB	Output is correct
19	Correct	4 ms	304 KB	Output is correct
20	Correct	2 ms	304 KB	Output is correct
21	Correct	4 ms	208 KB	Output is correct
22	Correct	2 ms	300 KB	Output is correct
23	Correct	5 ms	208 KB	Output is correct
24	Correct	9 ms	316 KB	Output is correct
25	Correct	10 ms	308 KB	Output is correct
26	Correct	10 ms	208 KB	Output is correct
27	Correct	16 ms	316 KB	Output is correct
28	Correct	9 ms	208 KB	Output is correct
29	Correct	10 ms	332 KB	Output is correct
30	Correct	21 ms	208 KB	Output is correct
31	Correct	20 ms	304 KB	Output is correct
32	Correct	18 ms	320 KB	Output is correct
33	Correct	20 ms	324 KB	Output is correct
34	Correct	18 ms	300 KB	Output is correct
35	Correct	26 ms	304 KB	Output is correct
36	Correct	19 ms	208 KB	Output is correct
37	Correct	20 ms	208 KB	Output is correct
38	Correct	16 ms	312 KB	Output is correct
39	Correct	14 ms	308 KB	Output is correct
40	Correct	19 ms	304 KB	Output is correct
41	Correct	4 ms	308 KB	Output is correct

Subtask #3
73.28 / 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	Partially correct	0 ms	208 KB	Output is partially correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	12 ms	208 KB	Output is correct
8	Correct	18 ms	320 KB	Output is correct
9	Correct	42 ms	328 KB	Output is correct
10	Correct	43 ms	340 KB	Output is correct
11	Correct	38 ms	328 KB	Output is correct
12	Correct	19 ms	308 KB	Output is correct
13	Correct	38 ms	288 KB	Output is correct
14	Correct	50 ms	292 KB	Output is correct
15	Correct	34 ms	324 KB	Output is correct
16	Correct	40 ms	308 KB	Output is correct
17	Partially correct	40 ms	332 KB	Output is partially correct
18	Correct	48 ms	304 KB	Output is correct
19	Correct	33 ms	332 KB	Output is correct
20	Correct	35 ms	332 KB	Output is correct
21	Correct	32 ms	320 KB	Output is correct
22	Partially correct	40 ms	348 KB	Output is partially correct
23	Correct	34 ms	296 KB	Output is correct
24	Correct	32 ms	304 KB	Output is correct
25	Correct	40 ms	312 KB	Output is correct
26	Correct	13 ms	336 KB	Output is correct
27	Correct	35 ms	328 KB	Output is correct
28	Correct	45 ms	340 KB	Output is correct
29	Correct	20 ms	300 KB	Output is correct
30	Correct	28 ms	336 KB	Output is correct
31	Partially correct	45 ms	420 KB	Output is partially correct
32	Correct	43 ms	344 KB	Output is correct
33	Partially correct	42 ms	308 KB	Output is partially correct
34	Partially correct	47 ms	448 KB	Output is partially correct
35	Correct	43 ms	288 KB	Output is correct
36	Correct	42 ms	292 KB	Output is correct
37	Correct	37 ms	340 KB	Output is correct
38	Correct	38 ms	336 KB	Output is correct
39	Correct	28 ms	348 KB	Output is correct
40	Correct	36 ms	336 KB	Output is correct
41	Correct	37 ms	304 KB	Output is correct
42	Partially correct	49 ms	292 KB	Output is partially correct
43	Correct	10 ms	308 KB	Output is correct
44	Correct	29 ms	304 KB	Output is correct
45	Correct	22 ms	300 KB	Output is correct
46	Correct	17 ms	308 KB	Output is correct
47	Correct	23 ms	208 KB	Output is correct
48	Correct	16 ms	312 KB	Output is correct

답안 #838800

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 73.28 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
73.28 / 75.0