// solution-hocky-binser.cpp
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int min_cardinality(int N) {
vector<int> device;
vector<int> checking_set;
for (int i = 0; i < N; i++) {
move_inside(i);
int max_occurrence = press_button();
if (max_occurrence == 2) {
move_outside(i);
checking_set.push_back(i);
} else {
device.push_back(i);
}
}
int distinct = device.size();
auto get_bounds = [&](int device_size, int checking_size) -> pair<int, int> {
return {device_size / distinct, (device_size + checking_size) / distinct};
};
do {
pair<int, int> bounds = get_bounds(device.size(), checking_set.size());
if (bounds.first == bounds.second) {
return bounds.first;
}
int middle = (bounds.first + bounds.second + 1) / 2;
vector<int> just_moved;
vector<int> next_checking_set;
for (const auto &insect : checking_set) {
move_inside(insect);
int max_occurrence = press_button();
if (max_occurrence > middle) {
move_outside(insect);
next_checking_set.push_back(insect);
} else {
just_moved.push_back(insect);
}
}
if ((int) just_moved.size() + (int) device.size() == distinct * middle) {
// Increase the lower bound
device.insert(device.end(), just_moved.begin(), just_moved.end());
swap(checking_set, next_checking_set);
} else {
// Decrease the upper bound
for(const auto &insect : just_moved){
move_outside(insect);
}
swap(checking_set, just_moved);
}
} while (true);
return 0;
}
| # |
Verdict |
Execution time |
Memory |
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 |
6 ms |
208 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
5 ms |
296 KB |
Output is correct |
| 9 |
Correct |
6 ms |
208 KB |
Output is correct |
| 10 |
Correct |
5 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
6 ms |
208 KB |
Output is correct |
| 13 |
Correct |
5 ms |
300 KB |
Output is correct |
| 14 |
Correct |
6 ms |
208 KB |
Output is correct |
| 15 |
Correct |
6 ms |
208 KB |
Output is correct |
| 16 |
Correct |
7 ms |
208 KB |
Output is correct |
| 17 |
Correct |
4 ms |
208 KB |
Output is correct |
| 18 |
Correct |
6 ms |
208 KB |
Output is correct |
| 19 |
Correct |
6 ms |
296 KB |
Output is correct |
| 20 |
Correct |
4 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
6 ms |
208 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
5 ms |
296 KB |
Output is correct |
| 9 |
Correct |
6 ms |
208 KB |
Output is correct |
| 10 |
Correct |
5 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
6 ms |
208 KB |
Output is correct |
| 13 |
Correct |
5 ms |
300 KB |
Output is correct |
| 14 |
Correct |
6 ms |
208 KB |
Output is correct |
| 15 |
Correct |
6 ms |
208 KB |
Output is correct |
| 16 |
Correct |
7 ms |
208 KB |
Output is correct |
| 17 |
Correct |
4 ms |
208 KB |
Output is correct |
| 18 |
Correct |
6 ms |
208 KB |
Output is correct |
| 19 |
Correct |
6 ms |
296 KB |
Output is correct |
| 20 |
Correct |
4 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
208 KB |
Output is correct |
| 23 |
Correct |
30 ms |
304 KB |
Output is correct |
| 24 |
Correct |
9 ms |
300 KB |
Output is correct |
| 25 |
Correct |
29 ms |
292 KB |
Output is correct |
| 26 |
Correct |
23 ms |
284 KB |
Output is correct |
| 27 |
Correct |
18 ms |
300 KB |
Output is correct |
| 28 |
Correct |
7 ms |
208 KB |
Output is correct |
| 29 |
Correct |
27 ms |
208 KB |
Output is correct |
| 30 |
Correct |
28 ms |
308 KB |
Output is correct |
| 31 |
Correct |
25 ms |
308 KB |
Output is correct |
| 32 |
Correct |
29 ms |
308 KB |
Output is correct |
| 33 |
Correct |
24 ms |
208 KB |
Output is correct |
| 34 |
Correct |
34 ms |
208 KB |
Output is correct |
| 35 |
Correct |
31 ms |
208 KB |
Output is correct |
| 36 |
Correct |
28 ms |
284 KB |
Output is correct |
| 37 |
Correct |
20 ms |
292 KB |
Output is correct |
| 38 |
Correct |
24 ms |
284 KB |
Output is correct |
| 39 |
Correct |
17 ms |
300 KB |
Output is correct |
| 40 |
Correct |
13 ms |
304 KB |
Output is correct |
| 41 |
Correct |
4 ms |
300 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
52 ms |
304 KB |
Output is correct |
| 8 |
Correct |
9 ms |
300 KB |
Output is correct |
| 9 |
Correct |
51 ms |
300 KB |
Output is correct |
| 10 |
Correct |
48 ms |
424 KB |
Output is correct |
| 11 |
Correct |
48 ms |
300 KB |
Output is correct |
| 12 |
Correct |
32 ms |
296 KB |
Output is correct |
| 13 |
Correct |
44 ms |
332 KB |
Output is correct |
| 14 |
Correct |
45 ms |
300 KB |
Output is correct |
| 15 |
Correct |
58 ms |
428 KB |
Output is correct |
| 16 |
Correct |
53 ms |
336 KB |
Output is correct |
| 17 |
Correct |
52 ms |
300 KB |
Output is correct |
| 18 |
Correct |
49 ms |
300 KB |
Output is correct |
| 19 |
Partially correct |
64 ms |
296 KB |
Output is partially correct |
| 20 |
Correct |
58 ms |
412 KB |
Output is correct |
| 21 |
Correct |
43 ms |
300 KB |
Output is correct |
| 22 |
Correct |
51 ms |
312 KB |
Output is correct |
| 23 |
Correct |
39 ms |
292 KB |
Output is correct |
| 24 |
Correct |
42 ms |
304 KB |
Output is correct |
| 25 |
Correct |
27 ms |
328 KB |
Output is correct |
| 26 |
Correct |
19 ms |
208 KB |
Output is correct |
| 27 |
Correct |
58 ms |
256 KB |
Output is correct |
| 28 |
Correct |
51 ms |
300 KB |
Output is correct |
| 29 |
Partially correct |
50 ms |
304 KB |
Output is partially correct |
| 30 |
Partially correct |
58 ms |
300 KB |
Output is partially correct |
| 31 |
Correct |
46 ms |
304 KB |
Output is correct |
| 32 |
Correct |
56 ms |
300 KB |
Output is correct |
| 33 |
Correct |
38 ms |
312 KB |
Output is correct |
| 34 |
Correct |
41 ms |
208 KB |
Output is correct |
| 35 |
Partially correct |
51 ms |
424 KB |
Output is partially correct |
| 36 |
Partially correct |
44 ms |
304 KB |
Output is partially correct |
| 37 |
Correct |
57 ms |
300 KB |
Output is correct |
| 38 |
Correct |
42 ms |
428 KB |
Output is correct |
| 39 |
Correct |
46 ms |
296 KB |
Output is correct |
| 40 |
Correct |
46 ms |
296 KB |
Output is correct |
| 41 |
Partially correct |
30 ms |
336 KB |
Output is partially correct |
| 42 |
Partially correct |
46 ms |
304 KB |
Output is partially correct |
| 43 |
Correct |
14 ms |
308 KB |
Output is correct |
| 44 |
Correct |
31 ms |
308 KB |
Output is correct |
| 45 |
Correct |
46 ms |
308 KB |
Output is correct |
| 46 |
Correct |
31 ms |
208 KB |
Output is correct |
| 47 |
Correct |
12 ms |
304 KB |
Output is correct |
| 48 |
Correct |
24 ms |
308 KB |
Output is correct |
