#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
int N;
vector<int> machine;
vector<bool> in_set;
void my_move_inside(int x) {
in_set[x] = 1;
}
void my_move_outside(int x) {
in_set[x] = 0;
}
int my_press_button() {
vector<int> cur;
for (int i = 0; i < N; i++) {
if (in_set[i]) {
cur.pb(i);
}
}
vector<int> tmp;
set_symmetric_difference(cur.begin(), cur.end(), machine.begin(), machine.end(), back_inserter(tmp));
sort(cur.begin(), cur.end());
for (auto i : tmp) {
if (binary_search(cur.begin(), cur.end(), i)) {
move_inside(i);
} else {
move_outside(i);
}
}
machine = cur;
return press_button();
}
int min_cardinality(int N) {
::N = N;
in_set.resize(N);
vector<int> v, alr_in;
my_move_inside(0);
v.pb(0);
for (int i = 1; i < N; i++) {
my_move_inside(i);
if (my_press_button() != 1) {
my_move_outside(i);
} else {
v.pb(i);
}
}
vector<int> insects;
insects.resize(N);
iota(insects.begin(), insects.end(), 0);
int lo = 1, hi = N / (int)v.size(), ans = -1;
while (lo <= hi) {
int mid = (lo + hi) / 2;
vector<int> to_remove = alr_in;
for (int i : insects) {
if (!binary_search(v.begin(), v.end(), i) && !binary_search(alr_in.begin(), alr_in.end(), i)) {
my_move_inside(i);
if (my_press_button() > mid) {
my_move_outside(i);
} else {
to_remove.pb(i);
}
}
}
if ((int)to_remove.size() == (int)v.size() * (mid - 1)) {
ans = mid;
lo = mid + 1;
alr_in = to_remove;
sort(alr_in.begin(), alr_in.end());
} else {
insects = v;
hi = mid - 1;
for (auto i : to_remove) {
my_move_outside(i);
insects.pb(i);
}
alr_in.clear();
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
6 ms |
292 KB |
Output is correct |
7 |
Correct |
3 ms |
332 KB |
Output is correct |
8 |
Correct |
4 ms |
336 KB |
Output is correct |
9 |
Correct |
7 ms |
312 KB |
Output is correct |
10 |
Correct |
5 ms |
208 KB |
Output is correct |
11 |
Correct |
3 ms |
208 KB |
Output is correct |
12 |
Correct |
6 ms |
208 KB |
Output is correct |
13 |
Correct |
4 ms |
300 KB |
Output is correct |
14 |
Correct |
6 ms |
208 KB |
Output is correct |
15 |
Correct |
4 ms |
336 KB |
Output is correct |
16 |
Correct |
6 ms |
312 KB |
Output is correct |
17 |
Correct |
6 ms |
304 KB |
Output is correct |
18 |
Correct |
4 ms |
296 KB |
Output is correct |
19 |
Correct |
6 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
21 |
Correct |
4 ms |
300 KB |
Output is correct |
22 |
Correct |
3 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
6 ms |
292 KB |
Output is correct |
7 |
Correct |
3 ms |
332 KB |
Output is correct |
8 |
Correct |
4 ms |
336 KB |
Output is correct |
9 |
Correct |
7 ms |
312 KB |
Output is correct |
10 |
Correct |
5 ms |
208 KB |
Output is correct |
11 |
Correct |
3 ms |
208 KB |
Output is correct |
12 |
Correct |
6 ms |
208 KB |
Output is correct |
13 |
Correct |
4 ms |
300 KB |
Output is correct |
14 |
Correct |
6 ms |
208 KB |
Output is correct |
15 |
Correct |
4 ms |
336 KB |
Output is correct |
16 |
Correct |
6 ms |
312 KB |
Output is correct |
17 |
Correct |
6 ms |
304 KB |
Output is correct |
18 |
Correct |
4 ms |
296 KB |
Output is correct |
19 |
Correct |
6 ms |
208 KB |
Output is correct |
20 |
Correct |
3 ms |
208 KB |
Output is correct |
21 |
Correct |
4 ms |
300 KB |
Output is correct |
22 |
Correct |
3 ms |
208 KB |
Output is correct |
23 |
Correct |
32 ms |
384 KB |
Output is correct |
24 |
Correct |
12 ms |
336 KB |
Output is correct |
25 |
Correct |
40 ms |
372 KB |
Output is correct |
26 |
Correct |
43 ms |
360 KB |
Output is correct |
27 |
Correct |
22 ms |
296 KB |
Output is correct |
28 |
Correct |
18 ms |
360 KB |
Output is correct |
29 |
Correct |
25 ms |
296 KB |
Output is correct |
30 |
Correct |
18 ms |
336 KB |
Output is correct |
31 |
Correct |
43 ms |
304 KB |
Output is correct |
32 |
Correct |
73 ms |
372 KB |
Output is correct |
33 |
Correct |
60 ms |
424 KB |
Output is correct |
34 |
Correct |
43 ms |
360 KB |
Output is correct |
35 |
Correct |
50 ms |
380 KB |
Output is correct |
36 |
Correct |
38 ms |
336 KB |
Output is correct |
37 |
Correct |
35 ms |
368 KB |
Output is correct |
38 |
Correct |
28 ms |
292 KB |
Output is correct |
39 |
Correct |
31 ms |
336 KB |
Output is correct |
40 |
Correct |
24 ms |
388 KB |
Output is correct |
41 |
Correct |
24 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
0 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
97 ms |
400 KB |
Output is correct |
8 |
Correct |
41 ms |
336 KB |
Output is correct |
9 |
Correct |
105 ms |
416 KB |
Output is correct |
10 |
Partially correct |
134 ms |
388 KB |
Output is partially correct |
11 |
Correct |
51 ms |
280 KB |
Output is correct |
12 |
Correct |
72 ms |
356 KB |
Output is correct |
13 |
Correct |
61 ms |
328 KB |
Output is correct |
14 |
Correct |
63 ms |
296 KB |
Output is correct |
15 |
Partially correct |
179 ms |
420 KB |
Output is partially correct |
16 |
Partially correct |
181 ms |
416 KB |
Output is partially correct |
17 |
Partially correct |
152 ms |
404 KB |
Output is partially correct |
18 |
Partially correct |
134 ms |
292 KB |
Output is partially correct |
19 |
Partially correct |
128 ms |
404 KB |
Output is partially correct |
20 |
Partially correct |
144 ms |
412 KB |
Output is partially correct |
21 |
Partially correct |
100 ms |
424 KB |
Output is partially correct |
22 |
Partially correct |
106 ms |
400 KB |
Output is partially correct |
23 |
Correct |
70 ms |
332 KB |
Output is correct |
24 |
Correct |
53 ms |
368 KB |
Output is correct |
25 |
Correct |
79 ms |
496 KB |
Output is correct |
26 |
Correct |
52 ms |
360 KB |
Output is correct |
27 |
Partially correct |
108 ms |
296 KB |
Output is partially correct |
28 |
Partially correct |
81 ms |
408 KB |
Output is partially correct |
29 |
Partially correct |
92 ms |
380 KB |
Output is partially correct |
30 |
Partially correct |
112 ms |
408 KB |
Output is partially correct |
31 |
Partially correct |
135 ms |
520 KB |
Output is partially correct |
32 |
Partially correct |
126 ms |
388 KB |
Output is partially correct |
33 |
Correct |
79 ms |
328 KB |
Output is correct |
34 |
Correct |
67 ms |
304 KB |
Output is correct |
35 |
Partially correct |
97 ms |
412 KB |
Output is partially correct |
36 |
Partially correct |
137 ms |
404 KB |
Output is partially correct |
37 |
Partially correct |
127 ms |
392 KB |
Output is partially correct |
38 |
Partially correct |
123 ms |
328 KB |
Output is partially correct |
39 |
Partially correct |
86 ms |
308 KB |
Output is partially correct |
40 |
Partially correct |
94 ms |
308 KB |
Output is partially correct |
41 |
Partially correct |
147 ms |
412 KB |
Output is partially correct |
42 |
Partially correct |
111 ms |
408 KB |
Output is partially correct |
43 |
Correct |
14 ms |
300 KB |
Output is correct |
44 |
Correct |
42 ms |
296 KB |
Output is correct |
45 |
Correct |
94 ms |
420 KB |
Output is correct |
46 |
Correct |
57 ms |
364 KB |
Output is correct |
47 |
Correct |
70 ms |
336 KB |
Output is correct |
48 |
Correct |
78 ms |
380 KB |
Output is correct |