oj.uz

Submission #628806

# Submission time Handle Problem Language Result Execution time Memory
628806 2022-08-13T17:24:41 Z abeker Rarest Insects (IOI22_insects) C++17
87.63 / 100
 111 ms 428 KB 
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;

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

int min_cardinality(int N) {
  vector <int> rest;
  auto attempt = [&](int x, int v) {
    move_inside(x);
    if (press_button() != v) {
      rest.push_back(x);
      move_outside(x);
    }
  };
  for (int i = 0; i < N; i++)
    attempt(i, 1);
  int sol = 1, cnt = N - (int)rest.size();
  for (; !rest.empty(); sol++) {
    vector <int> tmp = rest;
    rest.clear();
    shuffle(tmp.begin(), tmp.end(), rng);
    for (int i = 0; i < tmp.size(); i++)
      if (i < rest.size() + cnt)
        attempt(tmp[i], sol + 1);
      else
        rest.push_back(tmp[i]);
    if (tmp.size() < rest.size() + cnt)
      break;
  }
  return sol;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0; i < tmp.size(); i++)
      |                     ~~^~~~~~~~~~~~
insects.cpp:24:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |       if (i < rest.size() + cnt)
      |           ~~^~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 428 KB Output is correct
7 Correct 4 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 6 ms 208 KB Output is correct
12 Correct 6 ms 304 KB Output is correct
13 Correct 4 ms 300 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 8 ms 308 KB Output is correct
16 Correct 8 ms 308 KB Output is correct
17 Correct 9 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 10 ms 304 KB Output is correct
20 Correct 3 ms 300 KB Output is correct
21 Correct 6 ms 208 KB Output is correct
22 Correct 3 ms 288 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 428 KB Output is correct
7 Correct 4 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 6 ms 208 KB Output is correct
12 Correct 6 ms 304 KB Output is correct
13 Correct 4 ms 300 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 8 ms 308 KB Output is correct
16 Correct 8 ms 308 KB Output is correct
17 Correct 9 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 10 ms 304 KB Output is correct
20 Correct 3 ms 300 KB Output is correct
21 Correct 6 ms 208 KB Output is correct
22 Correct 3 ms 288 KB Output is correct
23 Correct 44 ms 308 KB Output is correct
24 Correct 10 ms 208 KB Output is correct
25 Correct 62 ms 312 KB Output is correct
26 Correct 22 ms 312 KB Output is correct
27 Correct 23 ms 208 KB Output is correct
28 Correct 16 ms 208 KB Output is correct
29 Correct 30 ms 304 KB Output is correct
30 Correct 26 ms 208 KB Output is correct
31 Correct 28 ms 416 KB Output is correct
32 Correct 33 ms 308 KB Output is correct
33 Correct 31 ms 208 KB Output is correct
34 Correct 46 ms 304 KB Output is correct
35 Correct 19 ms 312 KB Output is correct
36 Correct 45 ms 304 KB Output is correct
37 Correct 45 ms 308 KB Output is correct
38 Correct 24 ms 308 KB Output is correct
39 Correct 21 ms 292 KB Output is correct
40 Correct 19 ms 304 KB Output is correct
41 Correct 6 ms 300 KB Output is correct

Subtask #3
62.63 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 76 ms 308 KB Output is correct
8 Correct 25 ms 208 KB Output is correct
9 Partially correct 104 ms 312 KB Output is partially correct
10 Partially correct 111 ms 296 KB Output is partially correct
11 Correct 18 ms 308 KB Output is correct
12 Correct 29 ms 304 KB Output is correct
13 Correct 51 ms 304 KB Output is correct
14 Correct 42 ms 304 KB Output is correct
15 Partially correct 69 ms 304 KB Output is partially correct
16 Partially correct 35 ms 308 KB Output is partially correct
17 Partially correct 80 ms 304 KB Output is partially correct
18 Partially correct 52 ms 308 KB Output is partially correct
19 Partially correct 48 ms 208 KB Output is partially correct
20 Partially correct 88 ms 308 KB Output is partially correct
21 Partially correct 81 ms 312 KB Output is partially correct
22 Partially correct 81 ms 308 KB Output is partially correct
23 Correct 31 ms 292 KB Output is correct
24 Correct 36 ms 304 KB Output is correct
25 Correct 29 ms 284 KB Output is correct
26 Correct 20 ms 292 KB Output is correct
27 Partially correct 69 ms 304 KB Output is partially correct
28 Partially correct 43 ms 308 KB Output is partially correct
29 Partially correct 97 ms 308 KB Output is partially correct
30 Partially correct 89 ms 308 KB Output is partially correct
31 Partially correct 68 ms 304 KB Output is partially correct
32 Partially correct 46 ms 300 KB Output is partially correct
33 Correct 53 ms 328 KB Output is correct
34 Correct 54 ms 304 KB Output is correct
35 Partially correct 77 ms 300 KB Output is partially correct
36 Partially correct 88 ms 300 KB Output is partially correct
37 Partially correct 72 ms 308 KB Output is partially correct
38 Partially correct 66 ms 300 KB Output is partially correct
39 Partially correct 61 ms 296 KB Output is partially correct
40 Partially correct 74 ms 208 KB Output is partially correct
41 Partially correct 98 ms 308 KB Output is partially correct
42 Partially correct 99 ms 300 KB Output is partially correct
43 Correct 12 ms 208 KB Output is correct
44 Correct 30 ms 304 KB Output is correct
45 Correct 62 ms 312 KB Output is correct
46 Correct 27 ms 208 KB Output is correct
47 Correct 31 ms 208 KB Output is correct
48 Correct 21 ms 304 KB Output is correct