#include "insects.h"
#include "bits/stdc++.h"
using namespace std;
int min_cardinality(int N) {
int nums = 0;
set<int> inside, outside, aIn;
for (int i = 0; i < N; ++i) {
nums++;
move_inside(i);
if (press_button() > 1) {
if (i == N - 1) {
aIn.insert(i);
} else {
outside.insert(i);
move_outside(i);
}
} else {
inside.insert(i);
}
}
int k = inside.size();
int l = 1, r = N / k + 1;
while (l + 1 < r) {
int m = (l + r + 1) / 2;
set<int> nIn, nOut;
for (auto e: outside) {
if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
nOut.insert(e);
} else {
nums++;
move_inside(e);
if (press_button() > m) {
nOut.insert(e);
move_outside(e);
} else nIn.insert(e);
}
}
if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
l = m;
outside = nOut;
inside.insert(nIn.begin(), nIn.end());
inside.insert(aIn.begin(), aIn.end());
aIn.clear();
} else {
r = min(m, (int)(inside.size() + nIn.size() + aIn.size())/k + 1);
int nM = (l + r + 1) / 2 - l;
nIn.insert(aIn.begin(), aIn.end());
aIn.clear();
for (int i = 0; i < nM && !nIn.empty(); ++i) {
aIn.insert(*nIn.begin());
nIn.erase(nIn.begin());
}
for (auto e: nIn) {
move_outside(e);
}
outside = nIn;
}
}
if ((double)nums/(double)N > 3) return k;
return l;
}
Compilation message
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:29:50: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
29 | if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
insects.cpp:40:49: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
40 | if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 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 |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
344 KB |
Output is correct |
| 9 |
Correct |
4 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
452 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
3 ms |
440 KB |
Output is correct |
| 14 |
Correct |
2 ms |
344 KB |
Output is correct |
| 15 |
Correct |
2 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
448 KB |
Output is correct |
| 17 |
Correct |
4 ms |
344 KB |
Output is correct |
| 18 |
Correct |
3 ms |
344 KB |
Output is correct |
| 19 |
Correct |
2 ms |
600 KB |
Output is correct |
| 20 |
Correct |
3 ms |
344 KB |
Output is correct |
| 21 |
Correct |
2 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 |
1 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 |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
344 KB |
Output is correct |
| 9 |
Correct |
4 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
452 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
3 ms |
440 KB |
Output is correct |
| 14 |
Correct |
2 ms |
344 KB |
Output is correct |
| 15 |
Correct |
2 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
448 KB |
Output is correct |
| 17 |
Correct |
4 ms |
344 KB |
Output is correct |
| 18 |
Correct |
3 ms |
344 KB |
Output is correct |
| 19 |
Correct |
2 ms |
600 KB |
Output is correct |
| 20 |
Correct |
3 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 |
9 ms |
344 KB |
Output is correct |
| 24 |
Correct |
4 ms |
600 KB |
Output is correct |
| 25 |
Correct |
14 ms |
484 KB |
Output is correct |
| 26 |
Correct |
10 ms |
344 KB |
Output is correct |
| 27 |
Correct |
16 ms |
636 KB |
Output is correct |
| 28 |
Correct |
5 ms |
472 KB |
Output is correct |
| 29 |
Correct |
12 ms |
488 KB |
Output is correct |
| 30 |
Correct |
19 ms |
344 KB |
Output is correct |
| 31 |
Correct |
9 ms |
476 KB |
Output is correct |
| 32 |
Correct |
9 ms |
344 KB |
Output is correct |
| 33 |
Correct |
14 ms |
976 KB |
Output is correct |
| 34 |
Correct |
7 ms |
344 KB |
Output is correct |
| 35 |
Correct |
9 ms |
600 KB |
Output is correct |
| 36 |
Correct |
16 ms |
496 KB |
Output is correct |
| 37 |
Correct |
10 ms |
448 KB |
Output is correct |
| 38 |
Correct |
13 ms |
600 KB |
Output is correct |
| 39 |
Correct |
7 ms |
344 KB |
Output is correct |
| 40 |
Correct |
9 ms |
616 KB |
Output is correct |
| 41 |
Correct |
4 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 |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
15 ms |
488 KB |
Output is correct |
| 8 |
Correct |
8 ms |
344 KB |
Output is correct |
| 9 |
Correct |
17 ms |
600 KB |
Output is correct |
| 10 |
Correct |
21 ms |
792 KB |
Output is correct |
| 11 |
Correct |
13 ms |
600 KB |
Output is correct |
| 12 |
Correct |
13 ms |
344 KB |
Output is correct |
| 13 |
Correct |
21 ms |
764 KB |
Output is correct |
| 14 |
Correct |
32 ms |
600 KB |
Output is correct |
| 15 |
Correct |
16 ms |
592 KB |
Output is correct |
| 16 |
Correct |
28 ms |
752 KB |
Output is correct |
| 17 |
Correct |
19 ms |
600 KB |
Output is correct |
| 18 |
Correct |
31 ms |
1004 KB |
Output is correct |
| 19 |
Correct |
23 ms |
756 KB |
Output is correct |
| 20 |
Correct |
16 ms |
592 KB |
Output is correct |
| 21 |
Correct |
22 ms |
344 KB |
Output is correct |
| 22 |
Correct |
24 ms |
628 KB |
Output is correct |
| 23 |
Correct |
26 ms |
600 KB |
Output is correct |
| 24 |
Correct |
23 ms |
1280 KB |
Output is correct |
| 25 |
Correct |
16 ms |
600 KB |
Output is correct |
| 26 |
Correct |
9 ms |
600 KB |
Output is correct |
| 27 |
Correct |
26 ms |
600 KB |
Output is correct |
| 28 |
Correct |
13 ms |
728 KB |
Output is correct |
| 29 |
Correct |
29 ms |
600 KB |
Output is correct |
| 30 |
Correct |
22 ms |
600 KB |
Output is correct |
| 31 |
Correct |
23 ms |
504 KB |
Output is correct |
| 32 |
Correct |
21 ms |
472 KB |
Output is correct |
| 33 |
Incorrect |
39 ms |
600 KB |
Wrong answer. |
| 34 |
Halted |
0 ms |
0 KB |
- |
