#include "insects.h"
#include "bits/stdc++.h"
using namespace std;
int min_cardinality(int N) {
int nums = 0;
set<int> inside, outside, aIn;
vector<int> o(N);
std::iota(o.begin(), o.end(),0);
random_device dev;
std::shuffle(o.begin(), o.end(), dev);
for (int i = 0; i < N; ++i) {
nums++;
move_inside(o[i]);
if (press_button() > 1) {
if (i == N - 1) {
aIn.insert(o[i]);
} else {
outside.insert(o[i]);
move_outside(o[i]);
}
} else {
if (i == N - 1) return 1;
inside.insert(o[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 0;
return l;
}
Compilation message
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:34:50: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
34 | if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
insects.cpp:45:49: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
45 | if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
448 KB |
Output is correct |
| 7 |
Correct |
2 ms |
600 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
600 KB |
Output is correct |
| 10 |
Correct |
4 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
692 KB |
Output is correct |
| 13 |
Correct |
4 ms |
700 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
2 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
344 KB |
Output is correct |
| 18 |
Correct |
5 ms |
352 KB |
Output is correct |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
3 ms |
344 KB |
Output is correct |
| 22 |
Correct |
2 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
2 ms |
448 KB |
Output is correct |
| 7 |
Correct |
2 ms |
600 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
600 KB |
Output is correct |
| 10 |
Correct |
4 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
692 KB |
Output is correct |
| 13 |
Correct |
4 ms |
700 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
2 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
344 KB |
Output is correct |
| 18 |
Correct |
5 ms |
352 KB |
Output is correct |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
3 ms |
344 KB |
Output is correct |
| 22 |
Correct |
2 ms |
344 KB |
Output is correct |
| 23 |
Correct |
7 ms |
344 KB |
Output is correct |
| 24 |
Correct |
9 ms |
344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
620 KB |
Output is correct |
| 26 |
Correct |
10 ms |
344 KB |
Output is correct |
| 27 |
Correct |
11 ms |
600 KB |
Output is correct |
| 28 |
Correct |
4 ms |
344 KB |
Output is correct |
| 29 |
Correct |
9 ms |
472 KB |
Output is correct |
| 30 |
Correct |
19 ms |
600 KB |
Output is correct |
| 31 |
Correct |
8 ms |
656 KB |
Output is correct |
| 32 |
Correct |
15 ms |
720 KB |
Output is correct |
| 33 |
Correct |
10 ms |
464 KB |
Output is correct |
| 34 |
Correct |
10 ms |
596 KB |
Output is correct |
| 35 |
Correct |
17 ms |
460 KB |
Output is correct |
| 36 |
Correct |
12 ms |
968 KB |
Output is correct |
| 37 |
Correct |
13 ms |
344 KB |
Output is correct |
| 38 |
Correct |
17 ms |
732 KB |
Output is correct |
| 39 |
Correct |
18 ms |
600 KB |
Output is correct |
| 40 |
Correct |
11 ms |
344 KB |
Output is correct |
| 41 |
Correct |
7 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
28 ms |
592 KB |
Output is correct |
| 8 |
Correct |
15 ms |
624 KB |
Output is correct |
| 9 |
Correct |
30 ms |
828 KB |
Output is correct |
| 10 |
Correct |
33 ms |
796 KB |
Output is correct |
| 11 |
Correct |
21 ms |
740 KB |
Output is correct |
| 12 |
Correct |
11 ms |
744 KB |
Output is correct |
| 13 |
Correct |
26 ms |
796 KB |
Output is correct |
| 14 |
Correct |
28 ms |
832 KB |
Output is correct |
| 15 |
Correct |
30 ms |
724 KB |
Output is correct |
| 16 |
Correct |
25 ms |
568 KB |
Output is correct |
| 17 |
Correct |
20 ms |
772 KB |
Output is correct |
| 18 |
Correct |
29 ms |
572 KB |
Output is correct |
| 19 |
Correct |
34 ms |
536 KB |
Output is correct |
| 20 |
Correct |
25 ms |
508 KB |
Output is correct |
| 21 |
Correct |
28 ms |
804 KB |
Output is correct |
| 22 |
Correct |
22 ms |
780 KB |
Output is correct |
| 23 |
Correct |
34 ms |
728 KB |
Output is correct |
| 24 |
Correct |
21 ms |
764 KB |
Output is correct |
| 25 |
Correct |
16 ms |
1016 KB |
Output is correct |
| 26 |
Correct |
13 ms |
708 KB |
Output is correct |
| 27 |
Correct |
33 ms |
576 KB |
Output is correct |
| 28 |
Correct |
27 ms |
492 KB |
Output is correct |
| 29 |
Correct |
29 ms |
460 KB |
Output is correct |
| 30 |
Correct |
42 ms |
736 KB |
Output is correct |
| 31 |
Correct |
23 ms |
600 KB |
Output is correct |
| 32 |
Correct |
31 ms |
732 KB |
Output is correct |
| 33 |
Partially correct |
36 ms |
820 KB |
Output is partially correct |
| 34 |
Partially correct |
35 ms |
452 KB |
Output is partially correct |
| 35 |
Correct |
29 ms |
776 KB |
Output is correct |
| 36 |
Correct |
24 ms |
496 KB |
Output is correct |
| 37 |
Correct |
29 ms |
740 KB |
Output is correct |
| 38 |
Correct |
30 ms |
848 KB |
Output is correct |
| 39 |
Correct |
24 ms |
724 KB |
Output is correct |
| 40 |
Correct |
16 ms |
592 KB |
Output is correct |
| 41 |
Correct |
20 ms |
488 KB |
Output is correct |
| 42 |
Correct |
21 ms |
760 KB |
Output is correct |
| 43 |
Correct |
10 ms |
484 KB |
Output is correct |
| 44 |
Correct |
26 ms |
1388 KB |
Output is correct |
| 45 |
Correct |
22 ms |
728 KB |
Output is correct |
| 46 |
Correct |
19 ms |
536 KB |
Output is correct |
| 47 |
Correct |
13 ms |
720 KB |
Output is correct |
| 48 |
Correct |
17 ms |
600 KB |
Output is correct |
