#include "insects.h"
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
const int MAXN=1e4;
bool used[MAXN];
int perm[MAXN];
vector <int> last, removed;
int n, ss, d;
bool check(int x) {
if (!last.empty()) last.clear();
if (!removed.empty()) removed.clear();
for (int i=0;i<n;i++) {
int j=perm[i];
if (used[j]) continue;
move_inside(j);
if (press_button()>x) {
move_outside(j);
removed.push_back(j);
} else last.push_back(j);
}
if (ss+last.size()==d*x) return true;
return false;
}
int min_cardinality(int N) {
n=N;
d=0;
for (int i=0;i<n;i++) perm[i]=i;
random_shuffle(perm,perm+n);
for (int i=0;i<n;i++) {
int j=perm[i];
move_inside(j);
if (press_button()>1) move_outside(j);
else {
used[j]=true;
d++;
}
}
ss=d;
int l, r, mid;
l=1; r=n/d+1;
while (l<r-1) {
mid=(l+r)/2;
if (check(mid)) {
l=mid;
ss+=last.size();
for (auto i:last) used[i]=true;
} else {
r=mid;
for (auto i:removed) used[i]=true;
for (auto i:last) move_outside(i);
}
}
return l;
}
Compilation message
insects.cpp: In function 'bool check(int)':
insects.cpp:23:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
23 | if (ss+last.size()==d*x) return true;
| ~~~~~~~~~~~~~~^~~~~
# |
결과 |
실행 시간 |
메모리 |
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 |
592 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
3 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
2 ms |
344 KB |
Output is correct |
9 |
Correct |
3 ms |
344 KB |
Output is correct |
10 |
Correct |
2 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
2 ms |
344 KB |
Output is correct |
13 |
Correct |
2 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 |
2 ms |
344 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
344 KB |
Output is correct |
20 |
Correct |
2 ms |
344 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
2 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
592 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
3 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
2 ms |
344 KB |
Output is correct |
9 |
Correct |
3 ms |
344 KB |
Output is correct |
10 |
Correct |
2 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
2 ms |
344 KB |
Output is correct |
13 |
Correct |
2 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 |
2 ms |
344 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
344 KB |
Output is correct |
20 |
Correct |
2 ms |
344 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
2 ms |
344 KB |
Output is correct |
23 |
Correct |
16 ms |
704 KB |
Output is correct |
24 |
Correct |
5 ms |
596 KB |
Output is correct |
25 |
Correct |
13 ms |
848 KB |
Output is correct |
26 |
Correct |
10 ms |
856 KB |
Output is correct |
27 |
Correct |
12 ms |
856 KB |
Output is correct |
28 |
Correct |
4 ms |
344 KB |
Output is correct |
29 |
Correct |
12 ms |
856 KB |
Output is correct |
30 |
Correct |
13 ms |
696 KB |
Output is correct |
31 |
Correct |
14 ms |
452 KB |
Output is correct |
32 |
Correct |
16 ms |
448 KB |
Output is correct |
33 |
Correct |
15 ms |
708 KB |
Output is correct |
34 |
Correct |
13 ms |
856 KB |
Output is correct |
35 |
Correct |
15 ms |
600 KB |
Output is correct |
36 |
Correct |
14 ms |
696 KB |
Output is correct |
37 |
Correct |
14 ms |
704 KB |
Output is correct |
38 |
Correct |
9 ms |
600 KB |
Output is correct |
39 |
Correct |
10 ms |
604 KB |
Output is correct |
40 |
Correct |
7 ms |
856 KB |
Output is correct |
41 |
Correct |
6 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
596 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 |
596 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
32 ms |
848 KB |
Output is correct |
8 |
Correct |
9 ms |
344 KB |
Output is correct |
9 |
Correct |
28 ms |
700 KB |
Output is correct |
10 |
Correct |
40 ms |
592 KB |
Output is correct |
11 |
Correct |
21 ms |
1116 KB |
Output is correct |
12 |
Correct |
15 ms |
852 KB |
Output is correct |
13 |
Correct |
24 ms |
440 KB |
Output is correct |
14 |
Correct |
31 ms |
936 KB |
Output is correct |
15 |
Correct |
25 ms |
932 KB |
Output is correct |
16 |
Correct |
23 ms |
344 KB |
Output is correct |
17 |
Correct |
35 ms |
852 KB |
Output is correct |
18 |
Correct |
30 ms |
700 KB |
Output is correct |
19 |
Partially correct |
30 ms |
600 KB |
Output is partially correct |
20 |
Correct |
31 ms |
444 KB |
Output is correct |
21 |
Correct |
28 ms |
440 KB |
Output is correct |
22 |
Correct |
30 ms |
604 KB |
Output is correct |
23 |
Correct |
23 ms |
452 KB |
Output is correct |
24 |
Correct |
21 ms |
448 KB |
Output is correct |
25 |
Correct |
14 ms |
688 KB |
Output is correct |
26 |
Correct |
13 ms |
344 KB |
Output is correct |
27 |
Correct |
24 ms |
596 KB |
Output is correct |
28 |
Correct |
27 ms |
440 KB |
Output is correct |
29 |
Partially correct |
30 ms |
600 KB |
Output is partially correct |
30 |
Partially correct |
29 ms |
704 KB |
Output is partially correct |
31 |
Correct |
28 ms |
600 KB |
Output is correct |
32 |
Correct |
26 ms |
848 KB |
Output is correct |
33 |
Correct |
24 ms |
600 KB |
Output is correct |
34 |
Correct |
26 ms |
344 KB |
Output is correct |
35 |
Partially correct |
39 ms |
592 KB |
Output is partially correct |
36 |
Partially correct |
27 ms |
696 KB |
Output is partially correct |
37 |
Correct |
34 ms |
604 KB |
Output is correct |
38 |
Correct |
27 ms |
592 KB |
Output is correct |
39 |
Correct |
29 ms |
588 KB |
Output is correct |
40 |
Correct |
28 ms |
848 KB |
Output is correct |
41 |
Partially correct |
33 ms |
852 KB |
Output is partially correct |
42 |
Partially correct |
38 ms |
688 KB |
Output is partially correct |
43 |
Correct |
8 ms |
600 KB |
Output is correct |
44 |
Correct |
19 ms |
692 KB |
Output is correct |
45 |
Correct |
29 ms |
600 KB |
Output is correct |
46 |
Correct |
13 ms |
592 KB |
Output is correct |
47 |
Correct |
17 ms |
448 KB |
Output is correct |
48 |
Correct |
14 ms |
600 KB |
Output is correct |