#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 = (l + r) >> 1;
in.clear();
std::vector <int> new_pool;
//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 |
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 |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
4 ms |
700 KB |
Output is correct |
| 7 |
Correct |
3 ms |
600 KB |
Output is correct |
| 8 |
Correct |
6 ms |
600 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1368 KB |
Output is correct |
| 10 |
Correct |
4 ms |
704 KB |
Output is correct |
| 11 |
Correct |
3 ms |
600 KB |
Output is correct |
| 12 |
Correct |
5 ms |
600 KB |
Output is correct |
| 13 |
Correct |
6 ms |
596 KB |
Output is correct |
| 14 |
Correct |
6 ms |
508 KB |
Output is correct |
| 15 |
Correct |
6 ms |
856 KB |
Output is correct |
| 16 |
Correct |
6 ms |
1368 KB |
Output is correct |
| 17 |
Correct |
6 ms |
856 KB |
Output is correct |
| 18 |
Correct |
6 ms |
696 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1112 KB |
Output is correct |
| 20 |
Correct |
6 ms |
856 KB |
Output is correct |
| 21 |
Correct |
4 ms |
724 KB |
Output is correct |
| 22 |
Correct |
3 ms |
856 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 |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
4 ms |
700 KB |
Output is correct |
| 7 |
Correct |
3 ms |
600 KB |
Output is correct |
| 8 |
Correct |
6 ms |
600 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1368 KB |
Output is correct |
| 10 |
Correct |
4 ms |
704 KB |
Output is correct |
| 11 |
Correct |
3 ms |
600 KB |
Output is correct |
| 12 |
Correct |
5 ms |
600 KB |
Output is correct |
| 13 |
Correct |
6 ms |
596 KB |
Output is correct |
| 14 |
Correct |
6 ms |
508 KB |
Output is correct |
| 15 |
Correct |
6 ms |
856 KB |
Output is correct |
| 16 |
Correct |
6 ms |
1368 KB |
Output is correct |
| 17 |
Correct |
6 ms |
856 KB |
Output is correct |
| 18 |
Correct |
6 ms |
696 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1112 KB |
Output is correct |
| 20 |
Correct |
6 ms |
856 KB |
Output is correct |
| 21 |
Correct |
4 ms |
724 KB |
Output is correct |
| 22 |
Correct |
3 ms |
856 KB |
Output is correct |
| 23 |
Correct |
101 ms |
3108 KB |
Output is correct |
| 24 |
Correct |
93 ms |
2788 KB |
Output is correct |
| 25 |
Correct |
159 ms |
4164 KB |
Output is correct |
| 26 |
Correct |
191 ms |
5012 KB |
Output is correct |
| 27 |
Correct |
70 ms |
2268 KB |
Output is correct |
| 28 |
Correct |
59 ms |
1820 KB |
Output is correct |
| 29 |
Correct |
91 ms |
2608 KB |
Output is correct |
| 30 |
Correct |
122 ms |
3980 KB |
Output is correct |
| 31 |
Correct |
148 ms |
4068 KB |
Output is correct |
| 32 |
Correct |
161 ms |
4128 KB |
Output is correct |
| 33 |
Correct |
186 ms |
4408 KB |
Output is correct |
| 34 |
Correct |
174 ms |
4400 KB |
Output is correct |
| 35 |
Correct |
158 ms |
4320 KB |
Output is correct |
| 36 |
Correct |
168 ms |
3956 KB |
Output is correct |
| 37 |
Correct |
182 ms |
4964 KB |
Output is correct |
| 38 |
Correct |
128 ms |
3120 KB |
Output is correct |
| 39 |
Correct |
127 ms |
3656 KB |
Output is correct |
| 40 |
Correct |
126 ms |
3760 KB |
Output is correct |
| 41 |
Correct |
71 ms |
2128 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
512 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 |
451 ms |
9568 KB |
Output is correct |
| 8 |
Correct |
405 ms |
8668 KB |
Output is correct |
| 9 |
Correct |
755 ms |
13928 KB |
Output is correct |
| 10 |
Correct |
875 ms |
15412 KB |
Output is correct |
| 11 |
Correct |
303 ms |
5416 KB |
Output is correct |
| 12 |
Correct |
565 ms |
8796 KB |
Output is correct |
| 13 |
Correct |
540 ms |
7796 KB |
Output is correct |
| 14 |
Correct |
583 ms |
9352 KB |
Output is correct |
| 15 |
Correct |
621 ms |
12196 KB |
Output is correct |
| 16 |
Correct |
650 ms |
12628 KB |
Output is correct |
| 17 |
Correct |
699 ms |
12652 KB |
Output is correct |
| 18 |
Correct |
792 ms |
14572 KB |
Output is correct |
| 19 |
Correct |
788 ms |
14212 KB |
Output is correct |
| 20 |
Correct |
791 ms |
15064 KB |
Output is correct |
| 21 |
Correct |
865 ms |
15208 KB |
Output is correct |
| 22 |
Correct |
796 ms |
12812 KB |
Output is correct |
| 23 |
Correct |
601 ms |
10384 KB |
Output is correct |
| 24 |
Correct |
746 ms |
12924 KB |
Output is correct |
| 25 |
Correct |
624 ms |
11436 KB |
Output is correct |
| 26 |
Correct |
365 ms |
7000 KB |
Output is correct |
| 27 |
Correct |
987 ms |
18444 KB |
Output is correct |
| 28 |
Correct |
484 ms |
8992 KB |
Output is correct |
| 29 |
Correct |
1028 ms |
20412 KB |
Output is correct |
| 30 |
Correct |
1044 ms |
19708 KB |
Output is correct |
| 31 |
Correct |
896 ms |
14980 KB |
Output is correct |
| 32 |
Correct |
891 ms |
16192 KB |
Output is correct |
| 33 |
Correct |
616 ms |
9536 KB |
Output is correct |
| 34 |
Correct |
600 ms |
9120 KB |
Output is correct |
| 35 |
Partially correct |
1067 ms |
19752 KB |
Output is partially correct |
| 36 |
Correct |
873 ms |
15660 KB |
Output is correct |
| 37 |
Correct |
921 ms |
14444 KB |
Output is correct |
| 38 |
Correct |
925 ms |
14548 KB |
Output is correct |
| 39 |
Correct |
1000 ms |
18236 KB |
Output is correct |
| 40 |
Correct |
497 ms |
8976 KB |
Output is correct |
| 41 |
Correct |
871 ms |
15404 KB |
Output is correct |
| 42 |
Partially correct |
1148 ms |
20168 KB |
Output is partially correct |
| 43 |
Correct |
30 ms |
1636 KB |
Output is correct |
| 44 |
Correct |
247 ms |
3600 KB |
Output is correct |
| 45 |
Correct |
512 ms |
9200 KB |
Output is correct |
| 46 |
Correct |
344 ms |
6704 KB |
Output is correct |
| 47 |
Correct |
628 ms |
10596 KB |
Output is correct |
| 48 |
Correct |
453 ms |
8764 KB |
Output is correct |
