#include "insects.h"
#include <vector>
#include <algorithm>
#include <cassert>
#include <iostream>
using namespace std;
int N, T;
int cnt_inside;
vector<bool> inside;
void MOVE_IN(int n) {
// cerr << "+ " << n << endl;
assert(!inside[n]);
move_inside(n);
inside[n] = true;
++cnt_inside;
}
void MOVE_OUT(int n) {
// cerr << "- " << n << endl;
assert(inside[n]);
move_outside(n);
inside[n] = false;
--cnt_inside;
}
bool check(int x) {
for (int n = 0; n < N and cnt_inside < T * x; ++n) {
if (inside[n])
continue;
MOVE_IN(n);
int f = press_button();
if (f > x)
MOVE_OUT(n);
}
return cnt_inside == T * x;
}
void RESTORE(const vector<bool>& orig) {
for (int n = 0; n < N; ++n) {
if (inside[n] != orig[n]) {
if (orig[n]) {
// MOVE_IN(n);
assert(false);
}
else
MOVE_OUT(n);
}
}
}
int min_cardinality(int _N) {
N = _N;
T = _N;
cnt_inside = 0;
inside.assign(N, false);
check(1);
T = cnt_inside;
int res = 1;
int lo = 2, hi = N / T;
while (lo <= hi) {
int mid = lo + (hi - lo) / 2;
vector<bool> orig_inside = inside;
if (check(mid)) {
lo = mid+1;
res = mid;
}
else {
hi = mid-1;
RESTORE(orig_inside);
}
}
return res;
}
| # |
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 |
3 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
9 ms |
344 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
2 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
344 KB |
Output is correct |
| 18 |
Correct |
4 ms |
344 KB |
Output is correct |
| 19 |
Correct |
4 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
3 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 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 |
3 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
9 ms |
344 KB |
Output is correct |
| 11 |
Correct |
2 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
2 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
344 KB |
Output is correct |
| 18 |
Correct |
4 ms |
344 KB |
Output is correct |
| 19 |
Correct |
4 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
3 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
11 ms |
344 KB |
Output is correct |
| 24 |
Correct |
5 ms |
344 KB |
Output is correct |
| 25 |
Correct |
12 ms |
408 KB |
Output is correct |
| 26 |
Correct |
18 ms |
344 KB |
Output is correct |
| 27 |
Correct |
55 ms |
344 KB |
Output is correct |
| 28 |
Correct |
4 ms |
344 KB |
Output is correct |
| 29 |
Correct |
61 ms |
344 KB |
Output is correct |
| 30 |
Correct |
33 ms |
344 KB |
Output is correct |
| 31 |
Correct |
10 ms |
344 KB |
Output is correct |
| 32 |
Correct |
15 ms |
344 KB |
Output is correct |
| 33 |
Correct |
17 ms |
344 KB |
Output is correct |
| 34 |
Correct |
13 ms |
344 KB |
Output is correct |
| 35 |
Correct |
11 ms |
344 KB |
Output is correct |
| 36 |
Correct |
13 ms |
344 KB |
Output is correct |
| 37 |
Correct |
9 ms |
344 KB |
Output is correct |
| 38 |
Correct |
17 ms |
344 KB |
Output is correct |
| 39 |
Correct |
15 ms |
344 KB |
Output is correct |
| 40 |
Correct |
5 ms |
344 KB |
Output is correct |
| 41 |
Correct |
4 ms |
344 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 |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
18 ms |
344 KB |
Output is correct |
| 8 |
Correct |
12 ms |
344 KB |
Output is correct |
| 9 |
Correct |
29 ms |
344 KB |
Output is correct |
| 10 |
Partially correct |
42 ms |
344 KB |
Output is partially correct |
| 11 |
Partially correct |
129 ms |
344 KB |
Output is partially correct |
| 12 |
Correct |
19 ms |
596 KB |
Output is correct |
| 13 |
Partially correct |
119 ms |
596 KB |
Output is partially correct |
| 14 |
Partially correct |
62 ms |
344 KB |
Output is partially correct |
| 15 |
Correct |
36 ms |
344 KB |
Output is correct |
| 16 |
Correct |
27 ms |
344 KB |
Output is correct |
| 17 |
Correct |
24 ms |
344 KB |
Output is correct |
| 18 |
Correct |
30 ms |
344 KB |
Output is correct |
| 19 |
Correct |
26 ms |
344 KB |
Output is correct |
| 20 |
Partially correct |
31 ms |
344 KB |
Output is partially correct |
| 21 |
Partially correct |
32 ms |
432 KB |
Output is partially correct |
| 22 |
Partially correct |
45 ms |
344 KB |
Output is partially correct |
| 23 |
Partially correct |
44 ms |
344 KB |
Output is partially correct |
| 24 |
Correct |
24 ms |
344 KB |
Output is correct |
| 25 |
Correct |
14 ms |
344 KB |
Output is correct |
| 26 |
Correct |
10 ms |
344 KB |
Output is correct |
| 27 |
Correct |
37 ms |
344 KB |
Output is correct |
| 28 |
Correct |
25 ms |
344 KB |
Output is correct |
| 29 |
Correct |
41 ms |
344 KB |
Output is correct |
| 30 |
Correct |
33 ms |
344 KB |
Output is correct |
| 31 |
Partially correct |
51 ms |
344 KB |
Output is partially correct |
| 32 |
Partially correct |
49 ms |
592 KB |
Output is partially correct |
| 33 |
Partially correct |
59 ms |
344 KB |
Output is partially correct |
| 34 |
Partially correct |
44 ms |
344 KB |
Output is partially correct |
| 35 |
Partially correct |
31 ms |
344 KB |
Output is partially correct |
| 36 |
Correct |
17 ms |
344 KB |
Output is correct |
| 37 |
Partially correct |
36 ms |
412 KB |
Output is partially correct |
| 38 |
Partially correct |
39 ms |
344 KB |
Output is partially correct |
| 39 |
Correct |
26 ms |
344 KB |
Output is correct |
| 40 |
Correct |
26 ms |
340 KB |
Output is correct |
| 41 |
Correct |
29 ms |
344 KB |
Output is correct |
| 42 |
Partially correct |
43 ms |
344 KB |
Output is partially correct |
| 43 |
Partially correct |
16 ms |
344 KB |
Output is partially correct |
| 44 |
Partially correct |
116 ms |
344 KB |
Output is partially correct |
| 45 |
Correct |
29 ms |
344 KB |
Output is correct |
| 46 |
Correct |
9 ms |
344 KB |
Output is correct |
| 47 |
Correct |
16 ms |
344 KB |
Output is correct |
| 48 |
Correct |
18 ms |
344 KB |
Output is correct |
