#include "insects.h"
#include <bits/stdc++.h>
std::set <int> IN;
std::set <int> last;
void inside(int x) {
IN.insert(x);
}
void outside(int x) {
IN.erase(x);
}
int ask(int n) {
for (int i = 0; i < n; i++) {
if (IN.count(i) && !last.count(i)) {
move_inside(i);
} else if (!IN.count(i) && last.count(i)) {
move_outside(i);
}
}
static std::map <std::vector <int>, int> mem;
last = IN;
std::vector <int> tmp;
for (int x : IN) tmp.push_back(x);
auto it = mem.find(tmp);
if (it != mem.end()) return it->second;
return mem[tmp] = press_button();
// return press_button();
}
std::vector <int> invert(std::vector <int> v, int n) {
std::vector <int> u;
std::sort(v.begin(), v.end());
for (int i = 0, j = 0; i < n; i++) {
if (j < (int) v.size() && v[j] == i) {
j++;
continue;
}
u.push_back(i);
}
return u;
}
int min_cardinality(int n) {
std::vector <int> in, pool;
for (int i = 0; i < n; i++) {
inside(i);
in.push_back(i);
if (ask(n) == 1) continue;
outside(i);
in.pop_back();
pool.push_back(i);
}
int uniq = in.size();
int ans = 1;
srand(time(0));
for (int l = 2, r = n / uniq; l <= r; ) {
int mid = (1 + l + r) >> 1;
in.clear();
std::vector <int> new_pool;
std::random_shuffle(pool.begin(), pool.end());
std::random_shuffle(pool.begin(), pool.end());
for (int i : pool) {
inside(i);
in.push_back(i);
if ((int) IN.size() == uniq * mid + 1 || ask(n) > mid) {
outside(i);
in.pop_back();
new_pool.push_back(i);
continue;
}
}
pool = new_pool;
if ((int) IN.size() == uniq * mid) {
ans = mid;
l = mid + 1;
} else {
r = mid - 1;
pool = in;
for (int x : in) {
outside(x);
}
}
}
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 |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
4 ms |
960 KB |
Output is correct |
| 7 |
Correct |
3 ms |
344 KB |
Output is correct |
| 8 |
Correct |
6 ms |
596 KB |
Output is correct |
| 9 |
Correct |
6 ms |
632 KB |
Output is correct |
| 10 |
Correct |
5 ms |
600 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
600 KB |
Output is correct |
| 13 |
Correct |
7 ms |
1120 KB |
Output is correct |
| 14 |
Correct |
6 ms |
1112 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1112 KB |
Output is correct |
| 16 |
Correct |
7 ms |
960 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1208 KB |
Output is correct |
| 18 |
Correct |
7 ms |
700 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1112 KB |
Output is correct |
| 20 |
Correct |
6 ms |
600 KB |
Output is correct |
| 21 |
Correct |
4 ms |
344 KB |
Output is correct |
| 22 |
Correct |
4 ms |
772 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 |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
4 ms |
960 KB |
Output is correct |
| 7 |
Correct |
3 ms |
344 KB |
Output is correct |
| 8 |
Correct |
6 ms |
596 KB |
Output is correct |
| 9 |
Correct |
6 ms |
632 KB |
Output is correct |
| 10 |
Correct |
5 ms |
600 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
600 KB |
Output is correct |
| 13 |
Correct |
7 ms |
1120 KB |
Output is correct |
| 14 |
Correct |
6 ms |
1112 KB |
Output is correct |
| 15 |
Correct |
7 ms |
1112 KB |
Output is correct |
| 16 |
Correct |
7 ms |
960 KB |
Output is correct |
| 17 |
Correct |
7 ms |
1208 KB |
Output is correct |
| 18 |
Correct |
7 ms |
700 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1112 KB |
Output is correct |
| 20 |
Correct |
6 ms |
600 KB |
Output is correct |
| 21 |
Correct |
4 ms |
344 KB |
Output is correct |
| 22 |
Correct |
4 ms |
772 KB |
Output is correct |
| 23 |
Correct |
119 ms |
2828 KB |
Output is correct |
| 24 |
Correct |
94 ms |
2752 KB |
Output is correct |
| 25 |
Correct |
200 ms |
3924 KB |
Output is correct |
| 26 |
Correct |
249 ms |
4512 KB |
Output is correct |
| 27 |
Correct |
93 ms |
2176 KB |
Output is correct |
| 28 |
Correct |
69 ms |
2004 KB |
Output is correct |
| 29 |
Correct |
129 ms |
2744 KB |
Output is correct |
| 30 |
Correct |
155 ms |
3472 KB |
Output is correct |
| 31 |
Correct |
158 ms |
3452 KB |
Output is correct |
| 32 |
Correct |
179 ms |
3928 KB |
Output is correct |
| 33 |
Correct |
209 ms |
4288 KB |
Output is correct |
| 34 |
Correct |
193 ms |
4076 KB |
Output is correct |
| 35 |
Correct |
191 ms |
4284 KB |
Output is correct |
| 36 |
Correct |
217 ms |
4188 KB |
Output is correct |
| 37 |
Correct |
245 ms |
4796 KB |
Output is correct |
| 38 |
Correct |
183 ms |
3916 KB |
Output is correct |
| 39 |
Correct |
214 ms |
4188 KB |
Output is correct |
| 40 |
Correct |
147 ms |
3104 KB |
Output is correct |
| 41 |
Correct |
89 ms |
1848 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
500 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 |
508 ms |
8904 KB |
Output is correct |
| 8 |
Correct |
421 ms |
8844 KB |
Output is correct |
| 9 |
Correct |
798 ms |
13088 KB |
Output is correct |
| 10 |
Correct |
778 ms |
10400 KB |
Output is correct |
| 11 |
Correct |
422 ms |
5164 KB |
Output is correct |
| 12 |
Correct |
568 ms |
9108 KB |
Output is correct |
| 13 |
Correct |
596 ms |
7980 KB |
Output is correct |
| 14 |
Correct |
761 ms |
9864 KB |
Output is correct |
| 15 |
Correct |
657 ms |
11480 KB |
Output is correct |
| 16 |
Correct |
683 ms |
12316 KB |
Output is correct |
| 17 |
Correct |
744 ms |
12640 KB |
Output is correct |
| 18 |
Correct |
777 ms |
12972 KB |
Output is correct |
| 19 |
Correct |
763 ms |
12548 KB |
Output is correct |
| 20 |
Correct |
829 ms |
13756 KB |
Output is correct |
| 21 |
Correct |
998 ms |
16284 KB |
Output is correct |
| 22 |
Correct |
824 ms |
11736 KB |
Output is correct |
| 23 |
Correct |
857 ms |
12860 KB |
Output is correct |
| 24 |
Correct |
813 ms |
12728 KB |
Output is correct |
| 25 |
Correct |
629 ms |
11176 KB |
Output is correct |
| 26 |
Correct |
368 ms |
6672 KB |
Output is correct |
| 27 |
Correct |
779 ms |
14224 KB |
Output is correct |
| 28 |
Correct |
764 ms |
13056 KB |
Output is correct |
| 29 |
Correct |
728 ms |
12928 KB |
Output is correct |
| 30 |
Correct |
711 ms |
12116 KB |
Output is correct |
| 31 |
Correct |
796 ms |
11440 KB |
Output is correct |
| 32 |
Correct |
797 ms |
11380 KB |
Output is correct |
| 33 |
Partially correct |
842 ms |
12176 KB |
Output is partially correct |
| 34 |
Partially correct |
847 ms |
12300 KB |
Output is partially correct |
| 35 |
Correct |
801 ms |
14728 KB |
Output is correct |
| 36 |
Correct |
809 ms |
13884 KB |
Output is correct |
| 37 |
Correct |
990 ms |
16460 KB |
Output is correct |
| 38 |
Correct |
1039 ms |
16792 KB |
Output is correct |
| 39 |
Correct |
914 ms |
14876 KB |
Output is correct |
| 40 |
Correct |
908 ms |
14736 KB |
Output is correct |
| 41 |
Correct |
800 ms |
13048 KB |
Output is correct |
| 42 |
Correct |
792 ms |
12680 KB |
Output is correct |
| 43 |
Correct |
28 ms |
1808 KB |
Output is correct |
| 44 |
Correct |
284 ms |
3616 KB |
Output is correct |
| 45 |
Correct |
543 ms |
9288 KB |
Output is correct |
| 46 |
Correct |
330 ms |
6700 KB |
Output is correct |
| 47 |
Correct |
579 ms |
10604 KB |
Output is correct |
| 48 |
Correct |
430 ms |
8928 KB |
Output is correct |
