#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
mt19937 rng(12345);
int N;
vector<int> machine, perm;
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(perm[i]);
} else {
move_outside(perm[i]);
}
}
machine = cur;
return press_button();
}
int min_cardinality(int N) {
::N = N;
in_set.resize(N);
perm.resize(N);
iota(perm.begin(), perm.end(), 0);
shuffle(perm.begin(), perm.end(), rng);
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 ((int)to_remove.size() == (int)v.size() * (mid - 1)) {
break;
}
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;
for (auto i : to_remove) {
my_move_outside(i);
insects.pb(i);
}
hi = min((int)insects.size() / (int)v.size(), mid - 1);
alr_in.clear();
}
}
return ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
| 5 |
Correct |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
4 ms |
352 KB |
Output is correct |
| 7 |
Correct |
3 ms |
336 KB |
Output is correct |
| 8 |
Correct |
3 ms |
336 KB |
Output is correct |
| 9 |
Correct |
6 ms |
324 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
5 ms |
208 KB |
Output is correct |
| 13 |
Correct |
3 ms |
208 KB |
Output is correct |
| 14 |
Correct |
4 ms |
336 KB |
Output is correct |
| 15 |
Correct |
5 ms |
336 KB |
Output is correct |
| 16 |
Correct |
5 ms |
316 KB |
Output is correct |
| 17 |
Correct |
6 ms |
336 KB |
Output is correct |
| 18 |
Correct |
5 ms |
300 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
4 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
312 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 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 |
0 ms |
208 KB |
Output is correct |
| 5 |
Correct |
0 ms |
208 KB |
Output is correct |
| 6 |
Correct |
4 ms |
352 KB |
Output is correct |
| 7 |
Correct |
3 ms |
336 KB |
Output is correct |
| 8 |
Correct |
3 ms |
336 KB |
Output is correct |
| 9 |
Correct |
6 ms |
324 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
208 KB |
Output is correct |
| 12 |
Correct |
5 ms |
208 KB |
Output is correct |
| 13 |
Correct |
3 ms |
208 KB |
Output is correct |
| 14 |
Correct |
4 ms |
336 KB |
Output is correct |
| 15 |
Correct |
5 ms |
336 KB |
Output is correct |
| 16 |
Correct |
5 ms |
316 KB |
Output is correct |
| 17 |
Correct |
6 ms |
336 KB |
Output is correct |
| 18 |
Correct |
5 ms |
300 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
4 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
312 KB |
Output is correct |
| 23 |
Correct |
29 ms |
384 KB |
Output is correct |
| 24 |
Correct |
12 ms |
336 KB |
Output is correct |
| 25 |
Correct |
29 ms |
304 KB |
Output is correct |
| 26 |
Correct |
47 ms |
304 KB |
Output is correct |
| 27 |
Correct |
20 ms |
308 KB |
Output is correct |
| 28 |
Correct |
15 ms |
360 KB |
Output is correct |
| 29 |
Correct |
29 ms |
328 KB |
Output is correct |
| 30 |
Correct |
28 ms |
312 KB |
Output is correct |
| 31 |
Correct |
34 ms |
376 KB |
Output is correct |
| 32 |
Correct |
57 ms |
372 KB |
Output is correct |
| 33 |
Correct |
41 ms |
308 KB |
Output is correct |
| 34 |
Correct |
41 ms |
368 KB |
Output is correct |
| 35 |
Correct |
41 ms |
380 KB |
Output is correct |
| 36 |
Correct |
34 ms |
328 KB |
Output is correct |
| 37 |
Correct |
33 ms |
380 KB |
Output is correct |
| 38 |
Correct |
26 ms |
308 KB |
Output is correct |
| 39 |
Correct |
31 ms |
372 KB |
Output is correct |
| 40 |
Correct |
27 ms |
336 KB |
Output is correct |
| 41 |
Correct |
14 ms |
328 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
216 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 |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
56 ms |
420 KB |
Output is correct |
| 8 |
Correct |
33 ms |
392 KB |
Output is correct |
| 9 |
Correct |
80 ms |
304 KB |
Output is correct |
| 10 |
Partially correct |
114 ms |
388 KB |
Output is partially correct |
| 11 |
Correct |
60 ms |
292 KB |
Output is correct |
| 12 |
Correct |
50 ms |
380 KB |
Output is correct |
| 13 |
Correct |
61 ms |
292 KB |
Output is correct |
| 14 |
Correct |
70 ms |
308 KB |
Output is correct |
| 15 |
Partially correct |
144 ms |
560 KB |
Output is partially correct |
| 16 |
Partially correct |
129 ms |
552 KB |
Output is partially correct |
| 17 |
Partially correct |
129 ms |
388 KB |
Output is partially correct |
| 18 |
Partially correct |
122 ms |
384 KB |
Output is partially correct |
| 19 |
Partially correct |
97 ms |
424 KB |
Output is partially correct |
| 20 |
Partially correct |
140 ms |
420 KB |
Output is partially correct |
| 21 |
Partially correct |
104 ms |
304 KB |
Output is partially correct |
| 22 |
Partially correct |
119 ms |
376 KB |
Output is partially correct |
| 23 |
Correct |
63 ms |
376 KB |
Output is correct |
| 24 |
Correct |
68 ms |
372 KB |
Output is correct |
| 25 |
Correct |
52 ms |
400 KB |
Output is correct |
| 26 |
Correct |
45 ms |
340 KB |
Output is correct |
| 27 |
Correct |
86 ms |
424 KB |
Output is correct |
| 28 |
Correct |
79 ms |
308 KB |
Output is correct |
| 29 |
Correct |
105 ms |
428 KB |
Output is correct |
| 30 |
Correct |
71 ms |
432 KB |
Output is correct |
| 31 |
Partially correct |
136 ms |
528 KB |
Output is partially correct |
| 32 |
Partially correct |
167 ms |
308 KB |
Output is partially correct |
| 33 |
Correct |
67 ms |
324 KB |
Output is correct |
| 34 |
Correct |
67 ms |
332 KB |
Output is correct |
| 35 |
Correct |
85 ms |
316 KB |
Output is correct |
| 36 |
Correct |
75 ms |
312 KB |
Output is correct |
| 37 |
Partially correct |
138 ms |
408 KB |
Output is partially correct |
| 38 |
Partially correct |
133 ms |
424 KB |
Output is partially correct |
| 39 |
Correct |
86 ms |
528 KB |
Output is correct |
| 40 |
Correct |
92 ms |
324 KB |
Output is correct |
| 41 |
Correct |
81 ms |
428 KB |
Output is correct |
| 42 |
Correct |
64 ms |
416 KB |
Output is correct |
| 43 |
Correct |
9 ms |
312 KB |
Output is correct |
| 44 |
Correct |
41 ms |
288 KB |
Output is correct |
| 45 |
Correct |
66 ms |
404 KB |
Output is correct |
| 46 |
Correct |
67 ms |
376 KB |
Output is correct |
| 47 |
Correct |
37 ms |
384 KB |
Output is correct |
| 48 |
Correct |
51 ms |
376 KB |
Output is correct |
