#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
const int NN = 1e5 + 10;
bool in[NN];
mt19937 rng(10184104810471);
int rnd(int l, int r) {
return l + rng() % (r - l + 1);
}
int min_cardinality(int n) {
int type = 0;
vector<int> candidate;
for(int i = 0; i < n; i++) {
move_inside(i);
if (press_button() == 1) {
++type;
in[i] = 1;
}
else {
move_outside(i);
candidate.push_back(i);
}
}
int l = 2, r = n / type, ans = 1;
int cur = 1;
while (l <= r) {
shuffle(candidate.begin(), candidate.end(), rng);
int mid = type <= 100 ? (l + r + 1) / 2 : (l + r) / 2;
assert(cur <= mid);
int last = cur;
for(auto &i : candidate) {
move_inside(i);
int nxt = press_button();
if (nxt > mid) {
move_outside(i);
in[i] = 0;
}
else {
cur = nxt;
in[i] = 1;
}
}
int total = 0;
for(int i = 0; i < n; i++) total += in[i];
vector<int> _candidate;
if (cur == mid && mid * type == total) {
for(auto &i : candidate) if (!in[i]) _candidate.push_back(i);
l = mid + 1;
ans = mid;
}
else {
for(auto &i : candidate) if (in[i]) {
_candidate.push_back(i);
move_outside(i);
in[i] = 0;
}
r = mid - 1;
cur = last;
}
candidate = _candidate;
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
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 |
500 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
600 KB |
Output is correct |
| 9 |
Correct |
2 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
344 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
644 KB |
Output is correct |
| 13 |
Correct |
3 ms |
600 KB |
Output is correct |
| 14 |
Correct |
5 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
600 KB |
Output is correct |
| 18 |
Correct |
2 ms |
600 KB |
Output is correct |
| 19 |
Correct |
2 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
600 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
500 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
600 KB |
Output is correct |
| 9 |
Correct |
2 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
344 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
644 KB |
Output is correct |
| 13 |
Correct |
3 ms |
600 KB |
Output is correct |
| 14 |
Correct |
5 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
600 KB |
Output is correct |
| 18 |
Correct |
2 ms |
600 KB |
Output is correct |
| 19 |
Correct |
2 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
600 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
15 ms |
600 KB |
Output is correct |
| 24 |
Correct |
6 ms |
344 KB |
Output is correct |
| 25 |
Correct |
14 ms |
600 KB |
Output is correct |
| 26 |
Correct |
14 ms |
344 KB |
Output is correct |
| 27 |
Correct |
12 ms |
600 KB |
Output is correct |
| 28 |
Correct |
6 ms |
600 KB |
Output is correct |
| 29 |
Correct |
14 ms |
600 KB |
Output is correct |
| 30 |
Correct |
13 ms |
600 KB |
Output is correct |
| 31 |
Correct |
19 ms |
600 KB |
Output is correct |
| 32 |
Correct |
19 ms |
856 KB |
Output is correct |
| 33 |
Correct |
13 ms |
600 KB |
Output is correct |
| 34 |
Correct |
15 ms |
600 KB |
Output is correct |
| 35 |
Correct |
13 ms |
600 KB |
Output is correct |
| 36 |
Correct |
14 ms |
344 KB |
Output is correct |
| 37 |
Correct |
15 ms |
600 KB |
Output is correct |
| 38 |
Correct |
13 ms |
600 KB |
Output is correct |
| 39 |
Correct |
9 ms |
596 KB |
Output is correct |
| 40 |
Correct |
6 ms |
600 KB |
Output is correct |
| 41 |
Correct |
4 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
24 ms |
456 KB |
Output is correct |
| 8 |
Correct |
9 ms |
432 KB |
Output is correct |
| 9 |
Correct |
30 ms |
856 KB |
Output is correct |
| 10 |
Correct |
26 ms |
604 KB |
Output is correct |
| 11 |
Correct |
24 ms |
600 KB |
Output is correct |
| 12 |
Correct |
14 ms |
448 KB |
Output is correct |
| 13 |
Correct |
25 ms |
864 KB |
Output is correct |
| 14 |
Correct |
28 ms |
600 KB |
Output is correct |
| 15 |
Correct |
29 ms |
600 KB |
Output is correct |
| 16 |
Correct |
31 ms |
1016 KB |
Output is correct |
| 17 |
Correct |
27 ms |
856 KB |
Output is correct |
| 18 |
Correct |
29 ms |
860 KB |
Output is correct |
| 19 |
Correct |
23 ms |
600 KB |
Output is correct |
| 20 |
Correct |
27 ms |
600 KB |
Output is correct |
| 21 |
Correct |
32 ms |
856 KB |
Output is correct |
| 22 |
Correct |
25 ms |
696 KB |
Output is correct |
| 23 |
Correct |
23 ms |
960 KB |
Output is correct |
| 24 |
Correct |
18 ms |
708 KB |
Output is correct |
| 25 |
Correct |
18 ms |
452 KB |
Output is correct |
| 26 |
Correct |
9 ms |
600 KB |
Output is correct |
| 27 |
Correct |
27 ms |
696 KB |
Output is correct |
| 28 |
Correct |
23 ms |
1112 KB |
Output is correct |
| 29 |
Correct |
27 ms |
608 KB |
Output is correct |
| 30 |
Correct |
27 ms |
600 KB |
Output is correct |
| 31 |
Correct |
32 ms |
688 KB |
Output is correct |
| 32 |
Correct |
30 ms |
856 KB |
Output is correct |
| 33 |
Correct |
25 ms |
1204 KB |
Output is correct |
| 34 |
Correct |
26 ms |
604 KB |
Output is correct |
| 35 |
Correct |
28 ms |
696 KB |
Output is correct |
| 36 |
Correct |
34 ms |
856 KB |
Output is correct |
| 37 |
Correct |
29 ms |
600 KB |
Output is correct |
| 38 |
Correct |
34 ms |
444 KB |
Output is correct |
| 39 |
Correct |
29 ms |
952 KB |
Output is correct |
| 40 |
Correct |
23 ms |
1368 KB |
Output is correct |
| 41 |
Correct |
30 ms |
856 KB |
Output is correct |
| 42 |
Correct |
26 ms |
856 KB |
Output is correct |
| 43 |
Correct |
6 ms |
600 KB |
Output is correct |
| 44 |
Correct |
26 ms |
856 KB |
Output is correct |
| 45 |
Correct |
41 ms |
688 KB |
Output is correct |
| 46 |
Correct |
12 ms |
600 KB |
Output is correct |
| 47 |
Correct |
14 ms |
1104 KB |
Output is correct |
| 48 |
Correct |
12 ms |
424 KB |
Output is correct |
