#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
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;
}
if ((int) roots.size() <= 4) {
int res = 1234567;
for (int i = 0; i < (int) roots.size(); i++) {
move_outside(roots[i]);
}
for (int it = 0; it < (int) roots.size(); it++) {
move_inside(roots[it]);
int cnt = 1;
for (int j = 0; j < n; j++) {
if (j == roots[it]) {
continue;
}
move_inside(j);
if (press_button() == 2) {
cnt++;
}
move_outside(j);
}
res = min(res, cnt);
move_outside(roots[it]);
}
return res;
}
int base = (int) roots.size();
auto Check = [&](int mid) {
vector<int> tmp;
for (int i = 0; i < n; i++) {
if (in[i]) {
continue;
}
move_inside(i);
if (press_button() > mid) {
move_outside(i);
} else {
tmp.push_back(i);
roots.push_back(i);
in[i] = true;
}
}
if ((int) roots.size() == base * mid) {
return true;
}
for (int i = 0; i < (int) tmp.size(); i++) {
roots.pop_back();
in[tmp[i]] = false;
move_outside(tmp[i]);
}
return false;
};
int low = 2;
int high = n / (int) roots.size();
while (low <= high) {
int mid = low + (high - low) / 2;
if (Check(mid)) {
low = mid + 1;
} else {
high = mid - 1;
}
}
--low;
return low;
}
| # |
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 |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
2 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 |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
7 ms |
208 KB |
Output is correct |
| 13 |
Correct |
6 ms |
208 KB |
Output is correct |
| 14 |
Correct |
3 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
208 KB |
Output is correct |
| 16 |
Correct |
3 ms |
208 KB |
Output is correct |
| 17 |
Correct |
5 ms |
208 KB |
Output is correct |
| 18 |
Correct |
6 ms |
208 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
4 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
2 ms |
336 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 |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
2 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 |
1 ms |
208 KB |
Output is correct |
| 12 |
Correct |
7 ms |
208 KB |
Output is correct |
| 13 |
Correct |
6 ms |
208 KB |
Output is correct |
| 14 |
Correct |
3 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
208 KB |
Output is correct |
| 16 |
Correct |
3 ms |
208 KB |
Output is correct |
| 17 |
Correct |
5 ms |
208 KB |
Output is correct |
| 18 |
Correct |
6 ms |
208 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
4 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
2 ms |
336 KB |
Output is correct |
| 23 |
Correct |
8 ms |
208 KB |
Output is correct |
| 24 |
Correct |
7 ms |
208 KB |
Output is correct |
| 25 |
Correct |
19 ms |
208 KB |
Output is correct |
| 26 |
Correct |
23 ms |
304 KB |
Output is correct |
| 27 |
Correct |
21 ms |
208 KB |
Output is correct |
| 28 |
Correct |
5 ms |
208 KB |
Output is correct |
| 29 |
Correct |
34 ms |
308 KB |
Output is correct |
| 30 |
Correct |
26 ms |
304 KB |
Output is correct |
| 31 |
Correct |
21 ms |
208 KB |
Output is correct |
| 32 |
Correct |
21 ms |
300 KB |
Output is correct |
| 33 |
Correct |
24 ms |
304 KB |
Output is correct |
| 34 |
Correct |
21 ms |
292 KB |
Output is correct |
| 35 |
Correct |
17 ms |
208 KB |
Output is correct |
| 36 |
Correct |
31 ms |
284 KB |
Output is correct |
| 37 |
Correct |
29 ms |
308 KB |
Output is correct |
| 38 |
Correct |
27 ms |
308 KB |
Output is correct |
| 39 |
Correct |
15 ms |
312 KB |
Output is correct |
| 40 |
Correct |
10 ms |
208 KB |
Output is correct |
| 41 |
Correct |
7 ms |
308 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 |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
11 ms |
208 KB |
Output is correct |
| 8 |
Correct |
8 ms |
344 KB |
Output is correct |
| 9 |
Correct |
34 ms |
288 KB |
Output is correct |
| 10 |
Partially correct |
49 ms |
300 KB |
Output is partially correct |
| 11 |
Correct |
39 ms |
208 KB |
Output is correct |
| 12 |
Correct |
20 ms |
308 KB |
Output is correct |
| 13 |
Partially correct |
118 ms |
296 KB |
Output is partially correct |
| 14 |
Partially correct |
72 ms |
288 KB |
Output is partially correct |
| 15 |
Partially correct |
29 ms |
300 KB |
Output is partially correct |
| 16 |
Partially correct |
41 ms |
416 KB |
Output is partially correct |
| 17 |
Partially correct |
40 ms |
300 KB |
Output is partially correct |
| 18 |
Partially correct |
51 ms |
424 KB |
Output is partially correct |
| 19 |
Partially correct |
49 ms |
300 KB |
Output is partially correct |
| 20 |
Partially correct |
46 ms |
300 KB |
Output is partially correct |
| 21 |
Partially correct |
45 ms |
304 KB |
Output is partially correct |
| 22 |
Partially correct |
56 ms |
288 KB |
Output is partially correct |
| 23 |
Partially correct |
47 ms |
208 KB |
Output is partially correct |
| 24 |
Correct |
20 ms |
308 KB |
Output is correct |
| 25 |
Correct |
20 ms |
308 KB |
Output is correct |
| 26 |
Correct |
12 ms |
208 KB |
Output is correct |
| 27 |
Correct |
45 ms |
420 KB |
Output is correct |
| 28 |
Correct |
36 ms |
320 KB |
Output is correct |
| 29 |
Partially correct |
39 ms |
304 KB |
Output is partially correct |
| 30 |
Partially correct |
38 ms |
288 KB |
Output is partially correct |
| 31 |
Partially correct |
57 ms |
296 KB |
Output is partially correct |
| 32 |
Partially correct |
43 ms |
288 KB |
Output is partially correct |
| 33 |
Partially correct |
64 ms |
304 KB |
Output is partially correct |
| 34 |
Partially correct |
64 ms |
288 KB |
Output is partially correct |
| 35 |
Partially correct |
44 ms |
332 KB |
Output is partially correct |
| 36 |
Partially correct |
40 ms |
284 KB |
Output is partially correct |
| 37 |
Partially correct |
53 ms |
292 KB |
Output is partially correct |
| 38 |
Partially correct |
56 ms |
308 KB |
Output is partially correct |
| 39 |
Correct |
36 ms |
288 KB |
Output is correct |
| 40 |
Correct |
36 ms |
288 KB |
Output is correct |
| 41 |
Partially correct |
22 ms |
308 KB |
Output is partially correct |
| 42 |
Partially correct |
44 ms |
420 KB |
Output is partially correct |
| 43 |
Partially correct |
27 ms |
208 KB |
Output is partially correct |
| 44 |
Partially correct |
105 ms |
208 KB |
Output is partially correct |
| 45 |
Correct |
24 ms |
208 KB |
Output is correct |
| 46 |
Correct |
21 ms |
208 KB |
Output is correct |
| 47 |
Correct |
17 ms |
308 KB |
Output is correct |
| 48 |
Correct |
11 ms |
208 KB |
Output is correct |
