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Submission #967951

# Submission time Handle Problem Language Result Execution time Memory
967951 2024-04-23T06:01:09 Z 12345678 Rarest Insects (IOI22_insects) C++17
99.89 / 100
 39 ms 1208 KB 
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=2e3+5;

int p, cnt, sz, in[nx], t[nx], s[nx];

int min_cardinality(int N) {
    cin.tie(NULL)->sync_with_stdio(false);
    for (int i=0; i<N; i++)
    {
        move_inside(i);
        if (press_button()==1) cnt++, in[i]=1, s[i]=1;
        else move_outside(i);
    }
    if (cnt==1) return N;
    if (cnt==N) return 1;
    int l=1, r=N/cnt;
    sz=cnt;
    while (l<r)
    {
        int md=(l+r+1)/2;
        for (int i=0; i<N; i++)
        {
            if (s[i]||t[i]) continue;
            move_inside(i);
            if (press_button()>md) move_outside(i);
            else sz++, in[i]=1;
        }
        if (sz==cnt*md) 
        {
            l=md;
            for (int i=0; i<N; i++) if (in[i]) s[i]=1;
        }
        else 
        {
            r=md-1;
            for (int i=0; i<N; i++) if (!in[i]) t[i]=1;
            for (int i=0; i<N; i++) if (in[i]&&!s[i]) in[i]=0, move_outside(i), sz--;
        }
    }
    return l;
}

Subtask #1
10.0 / 10.0

# 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 1 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 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 4 ms 772 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 648 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 472 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 472 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 852 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 1 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 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 4 ms 772 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 648 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 472 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 472 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 852 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 12 ms 468 KB Output is correct
26 Correct 13 ms 472 KB Output is correct
27 Correct 12 ms 460 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 11 ms 856 KB Output is correct
30 Correct 11 ms 616 KB Output is correct
31 Correct 12 ms 716 KB Output is correct
32 Correct 11 ms 696 KB Output is correct
33 Correct 13 ms 720 KB Output is correct
34 Correct 15 ms 460 KB Output is correct
35 Correct 16 ms 724 KB Output is correct
36 Correct 13 ms 448 KB Output is correct
37 Correct 11 ms 600 KB Output is correct
38 Correct 11 ms 856 KB Output is correct
39 Correct 9 ms 600 KB Output is correct
40 Correct 6 ms 600 KB Output is correct
41 Correct 5 ms 468 KB Output is correct

Subtask #3
74.89 / 75.0

# 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 8 ms 344 KB Output is correct
8 Correct 7 ms 856 KB Output is correct
9 Correct 25 ms 848 KB Output is correct
10 Correct 27 ms 452 KB Output is correct
11 Correct 19 ms 592 KB Output is correct
12 Correct 15 ms 1108 KB Output is correct
13 Correct 32 ms 456 KB Output is correct
14 Correct 25 ms 448 KB Output is correct
15 Correct 29 ms 460 KB Output is correct
16 Correct 32 ms 708 KB Output is correct
17 Correct 34 ms 1208 KB Output is correct
18 Correct 31 ms 720 KB Output is correct
19 Partially correct 28 ms 952 KB Output is partially correct
20 Correct 28 ms 712 KB Output is correct
21 Correct 23 ms 712 KB Output is correct
22 Correct 34 ms 460 KB Output is correct
23 Correct 20 ms 856 KB Output is correct
24 Correct 20 ms 856 KB Output is correct
25 Correct 15 ms 464 KB Output is correct
26 Correct 9 ms 724 KB Output is correct
27 Correct 29 ms 444 KB Output is correct
28 Correct 32 ms 852 KB Output is correct
29 Partially correct 29 ms 852 KB Output is partially correct
30 Partially correct 29 ms 848 KB Output is partially correct
31 Correct 25 ms 596 KB Output is correct
32 Correct 27 ms 708 KB Output is correct
33 Correct 28 ms 452 KB Output is correct
34 Correct 28 ms 444 KB Output is correct
35 Partially correct 26 ms 444 KB Output is partially correct
36 Partially correct 39 ms 968 KB Output is partially correct
37 Correct 22 ms 704 KB Output is correct
38 Correct 29 ms 728 KB Output is correct
39 Correct 26 ms 468 KB Output is correct
40 Correct 24 ms 852 KB Output is correct
41 Partially correct 27 ms 600 KB Output is partially correct
42 Partially correct 24 ms 720 KB Output is partially correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 29 ms 600 KB Output is correct
45 Correct 24 ms 700 KB Output is correct
46 Correct 16 ms 848 KB Output is correct
47 Correct 14 ms 468 KB Output is correct
48 Correct 16 ms 472 KB Output is correct