답안 #1058359

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1058359 2024-08-14T09:33:20 Z aykhn 드문 곤충 (IOI22_insects) C++17
99.89 / 100
40 ms 704 KB
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

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

int min_cardinality(int N) 
{
  vector<int> ord(N, 0);
  iota(ord.begin(), ord.end(), 0);
  shuffle(ord.begin(), ord.end(), rng);
  int uni = 0;
  vector<int> v;
  for (int &i : ord)
  {
    move_inside(i);
    if (press_button() > 1) move_outside(i);
    else uni++, v.push_back(i);
  }
  vector<int> in(N, 0);
  vector<int> alive(N, 1);
  int cur = v.size();
  for (int &i : v) alive[i] = 0;
  v.clear();
  int l = 1, r = N / uni;
  while (l < r)
  {
    int mid = (l + r + 1) >> 1;
    for (int &i : ord)
    {
      if (!alive[i]) continue;
      move_inside(i);
      v.push_back(i);
      cur++;
      in[i] = 1;
      if (press_button() > mid) 
      {
        cur--;
        in[i] = 0;
        move_outside(i);
        v.pop_back();
      }
    }
    if (cur != mid * uni)
    {
      for (int i = 0; i < N; i++)
      {
        if (!in[i]) alive[i] = 0;
      }
      for (int &i : v) 
      {
        cur--;
        move_outside(i), in[i] = 0;
      }
      v.clear();
      r = mid - 1;
    }
    else
    {
      for (int &i : v)
      {
        alive[i] = 0;
        in[i] = 0;
      }
      v.clear();
      l = mid;
    }
  }
  return l;
}
# 결과 실행 시간 메모리 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 436 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 444 KB Output is correct
9 Correct 2 ms 440 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 3 ms 436 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 2 ms 444 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 436 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 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 436 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 444 KB Output is correct
9 Correct 2 ms 440 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 3 ms 436 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 2 ms 444 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 436 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 11 ms 448 KB Output is correct
24 Correct 3 ms 444 KB Output is correct
25 Correct 14 ms 440 KB Output is correct
26 Correct 13 ms 444 KB Output is correct
27 Correct 12 ms 344 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 7 ms 344 KB Output is correct
30 Correct 11 ms 440 KB Output is correct
31 Correct 10 ms 344 KB Output is correct
32 Correct 12 ms 704 KB Output is correct
33 Correct 12 ms 444 KB Output is correct
34 Correct 19 ms 444 KB Output is correct
35 Correct 12 ms 348 KB Output is correct
36 Correct 15 ms 448 KB Output is correct
37 Correct 12 ms 456 KB Output is correct
38 Correct 13 ms 352 KB Output is correct
39 Correct 12 ms 448 KB Output is correct
40 Correct 8 ms 344 KB Output is correct
41 Correct 5 ms 700 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 356 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 25 ms 448 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 25 ms 452 KB Output is correct
10 Correct 22 ms 444 KB Output is correct
11 Correct 26 ms 444 KB Output is correct
12 Correct 9 ms 600 KB Output is correct
13 Correct 27 ms 684 KB Output is correct
14 Correct 25 ms 448 KB Output is correct
15 Correct 22 ms 344 KB Output is correct
16 Correct 24 ms 424 KB Output is correct
17 Correct 20 ms 420 KB Output is correct
18 Correct 24 ms 344 KB Output is correct
19 Partially correct 27 ms 344 KB Output is partially correct
20 Correct 40 ms 440 KB Output is correct
21 Correct 21 ms 444 KB Output is correct
22 Correct 27 ms 440 KB Output is correct
23 Correct 12 ms 344 KB Output is correct
24 Correct 21 ms 444 KB Output is correct
25 Correct 16 ms 448 KB Output is correct
26 Correct 8 ms 460 KB Output is correct
27 Correct 28 ms 468 KB Output is correct
28 Correct 20 ms 448 KB Output is correct
29 Partially correct 21 ms 448 KB Output is partially correct
30 Partially correct 27 ms 460 KB Output is partially correct
31 Correct 31 ms 420 KB Output is correct
32 Correct 29 ms 444 KB Output is correct
33 Correct 24 ms 440 KB Output is correct
34 Correct 21 ms 440 KB Output is correct
35 Partially correct 27 ms 440 KB Output is partially correct
36 Partially correct 27 ms 444 KB Output is partially correct
37 Correct 24 ms 444 KB Output is correct
38 Correct 23 ms 344 KB Output is correct
39 Correct 22 ms 444 KB Output is correct
40 Correct 25 ms 428 KB Output is correct
41 Partially correct 19 ms 444 KB Output is partially correct
42 Partially correct 29 ms 600 KB Output is partially correct
43 Correct 5 ms 600 KB Output is correct
44 Correct 24 ms 408 KB Output is correct
45 Correct 26 ms 464 KB Output is correct
46 Correct 11 ms 456 KB Output is correct
47 Correct 11 ms 456 KB Output is correct
48 Correct 11 ms 344 KB Output is correct