#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());
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 |
5 ms |
1112 KB |
Output is correct |
| 7 |
Correct |
5 ms |
860 KB |
Output is correct |
| 8 |
Correct |
6 ms |
856 KB |
Output is correct |
| 9 |
Correct |
6 ms |
600 KB |
Output is correct |
| 10 |
Correct |
5 ms |
876 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
600 KB |
Output is correct |
| 13 |
Correct |
6 ms |
712 KB |
Output is correct |
| 14 |
Correct |
6 ms |
780 KB |
Output is correct |
| 15 |
Correct |
6 ms |
868 KB |
Output is correct |
| 16 |
Correct |
6 ms |
856 KB |
Output is correct |
| 17 |
Correct |
6 ms |
856 KB |
Output is correct |
| 18 |
Correct |
7 ms |
888 KB |
Output is correct |
| 19 |
Correct |
6 ms |
712 KB |
Output is correct |
| 20 |
Correct |
7 ms |
1408 KB |
Output is correct |
| 21 |
Correct |
5 ms |
856 KB |
Output is correct |
| 22 |
Correct |
3 ms |
856 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 |
5 ms |
1112 KB |
Output is correct |
| 7 |
Correct |
5 ms |
860 KB |
Output is correct |
| 8 |
Correct |
6 ms |
856 KB |
Output is correct |
| 9 |
Correct |
6 ms |
600 KB |
Output is correct |
| 10 |
Correct |
5 ms |
876 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
600 KB |
Output is correct |
| 13 |
Correct |
6 ms |
712 KB |
Output is correct |
| 14 |
Correct |
6 ms |
780 KB |
Output is correct |
| 15 |
Correct |
6 ms |
868 KB |
Output is correct |
| 16 |
Correct |
6 ms |
856 KB |
Output is correct |
| 17 |
Correct |
6 ms |
856 KB |
Output is correct |
| 18 |
Correct |
7 ms |
888 KB |
Output is correct |
| 19 |
Correct |
6 ms |
712 KB |
Output is correct |
| 20 |
Correct |
7 ms |
1408 KB |
Output is correct |
| 21 |
Correct |
5 ms |
856 KB |
Output is correct |
| 22 |
Correct |
3 ms |
856 KB |
Output is correct |
| 23 |
Correct |
117 ms |
3020 KB |
Output is correct |
| 24 |
Correct |
89 ms |
3012 KB |
Output is correct |
| 25 |
Correct |
185 ms |
4064 KB |
Output is correct |
| 26 |
Correct |
241 ms |
4800 KB |
Output is correct |
| 27 |
Correct |
76 ms |
2004 KB |
Output is correct |
| 28 |
Correct |
58 ms |
1964 KB |
Output is correct |
| 29 |
Correct |
116 ms |
2172 KB |
Output is correct |
| 30 |
Correct |
155 ms |
3536 KB |
Output is correct |
| 31 |
Correct |
150 ms |
3712 KB |
Output is correct |
| 32 |
Correct |
185 ms |
3964 KB |
Output is correct |
| 33 |
Correct |
190 ms |
4080 KB |
Output is correct |
| 34 |
Correct |
185 ms |
4844 KB |
Output is correct |
| 35 |
Correct |
191 ms |
4344 KB |
Output is correct |
| 36 |
Correct |
211 ms |
4488 KB |
Output is correct |
| 37 |
Correct |
237 ms |
5280 KB |
Output is correct |
| 38 |
Correct |
185 ms |
3592 KB |
Output is correct |
| 39 |
Correct |
209 ms |
4792 KB |
Output is correct |
| 40 |
Correct |
145 ms |
3984 KB |
Output is correct |
| 41 |
Correct |
78 ms |
2944 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 |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 KB |
Output is correct |
| 7 |
Correct |
499 ms |
9336 KB |
Output is correct |
| 8 |
Correct |
419 ms |
8756 KB |
Output is correct |
| 9 |
Correct |
725 ms |
12776 KB |
Output is correct |
| 10 |
Correct |
770 ms |
10920 KB |
Output is correct |
| 11 |
Correct |
401 ms |
5312 KB |
Output is correct |
| 12 |
Correct |
567 ms |
9128 KB |
Output is correct |
| 13 |
Correct |
582 ms |
8000 KB |
Output is correct |
| 14 |
Correct |
807 ms |
10492 KB |
Output is correct |
| 15 |
Correct |
665 ms |
11268 KB |
Output is correct |
| 16 |
Correct |
672 ms |
11700 KB |
Output is correct |
| 17 |
Correct |
739 ms |
12736 KB |
Output is correct |
| 18 |
Correct |
761 ms |
12844 KB |
Output is correct |
| 19 |
Correct |
807 ms |
12780 KB |
Output is correct |
| 20 |
Correct |
892 ms |
14624 KB |
Output is correct |
| 21 |
Correct |
1073 ms |
16292 KB |
Output is correct |
| 22 |
Correct |
863 ms |
11340 KB |
Output is correct |
| 23 |
Correct |
967 ms |
12360 KB |
Output is correct |
| 24 |
Correct |
897 ms |
12860 KB |
Output is correct |
| 25 |
Correct |
695 ms |
10668 KB |
Output is correct |
| 26 |
Correct |
428 ms |
6520 KB |
Output is correct |
| 27 |
Correct |
862 ms |
13352 KB |
Output is correct |
| 28 |
Correct |
851 ms |
13372 KB |
Output is correct |
| 29 |
Correct |
711 ms |
11748 KB |
Output is correct |
| 30 |
Correct |
740 ms |
11528 KB |
Output is correct |
| 31 |
Correct |
810 ms |
11160 KB |
Output is correct |
| 32 |
Correct |
808 ms |
11056 KB |
Output is correct |
| 33 |
Partially correct |
863 ms |
12040 KB |
Output is partially correct |
| 34 |
Partially correct |
852 ms |
12420 KB |
Output is partially correct |
| 35 |
Correct |
796 ms |
13892 KB |
Output is correct |
| 36 |
Correct |
766 ms |
13268 KB |
Output is correct |
| 37 |
Correct |
977 ms |
16100 KB |
Output is correct |
| 38 |
Correct |
965 ms |
16076 KB |
Output is correct |
| 39 |
Correct |
878 ms |
16180 KB |
Output is correct |
| 40 |
Correct |
892 ms |
15516 KB |
Output is correct |
| 41 |
Correct |
848 ms |
13980 KB |
Output is correct |
| 42 |
Correct |
792 ms |
13824 KB |
Output is correct |
| 43 |
Correct |
24 ms |
1624 KB |
Output is correct |
| 44 |
Correct |
262 ms |
3252 KB |
Output is correct |
| 45 |
Correct |
522 ms |
9408 KB |
Output is correct |
| 46 |
Correct |
305 ms |
7264 KB |
Output is correct |
| 47 |
Correct |
555 ms |
10880 KB |
Output is correct |
| 48 |
Correct |
437 ms |
8708 KB |
Output is correct |
