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Submission #979656

# Submission time Handle Problem Language Result Execution time Memory
979656 2024-05-11T09:31:22 Z 12345678 Rarest Insects (IOI22_insects) C++17
99.95 / 100
 32 ms 1100 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) break;
        }
        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 0 ms 344 KB Output is correct
4 Correct 1 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 2 ms 596 KB Output is correct
9 Correct 2 ms 464 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 344 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 0 ms 344 KB Output is correct
4 Correct 1 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 2 ms 596 KB Output is correct
9 Correct 2 ms 464 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 14 ms 600 KB Output is correct
26 Correct 15 ms 724 KB Output is correct
27 Correct 11 ms 444 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 11 ms 600 KB Output is correct
30 Correct 10 ms 472 KB Output is correct
31 Correct 9 ms 600 KB Output is correct
32 Correct 15 ms 600 KB Output is correct
33 Correct 11 ms 600 KB Output is correct
34 Correct 16 ms 712 KB Output is correct
35 Correct 12 ms 860 KB Output is correct
36 Correct 10 ms 708 KB Output is correct
37 Correct 14 ms 728 KB Output is correct
38 Correct 14 ms 612 KB Output is correct
39 Correct 11 ms 724 KB Output is correct
40 Correct 8 ms 600 KB Output is correct
41 Correct 4 ms 600 KB Output is correct

Subtask #3
74.95 / 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 1 ms 856 KB Output is correct
7 Correct 10 ms 344 KB Output is correct
8 Correct 7 ms 608 KB Output is correct
9 Correct 31 ms 704 KB Output is correct
10 Correct 28 ms 452 KB Output is correct
11 Correct 28 ms 444 KB Output is correct
12 Correct 13 ms 856 KB Output is correct
13 Correct 24 ms 696 KB Output is correct
14 Correct 27 ms 472 KB Output is correct
15 Correct 24 ms 716 KB Output is correct
16 Correct 27 ms 344 KB Output is correct
17 Correct 22 ms 708 KB Output is correct
18 Correct 25 ms 724 KB Output is correct
19 Correct 28 ms 440 KB Output is correct
20 Correct 25 ms 592 KB Output is correct
21 Correct 27 ms 704 KB Output is correct
22 Correct 29 ms 700 KB Output is correct
23 Correct 23 ms 852 KB Output is correct
24 Correct 25 ms 1100 KB Output is correct
25 Correct 17 ms 980 KB Output is correct
26 Correct 10 ms 608 KB Output is correct
27 Correct 29 ms 448 KB Output is correct
28 Correct 19 ms 708 KB Output is correct
29 Correct 27 ms 704 KB Output is correct
30 Correct 26 ms 724 KB Output is correct
31 Correct 30 ms 468 KB Output is correct
32 Correct 27 ms 464 KB Output is correct
33 Correct 27 ms 852 KB Output is correct
34 Correct 31 ms 844 KB Output is correct
35 Partially correct 29 ms 848 KB Output is partially correct
36 Correct 22 ms 956 KB Output is correct
37 Correct 26 ms 956 KB Output is correct
38 Correct 32 ms 852 KB Output is correct
39 Correct 25 ms 600 KB Output is correct
40 Correct 14 ms 600 KB Output is correct
41 Correct 25 ms 704 KB Output is correct
42 Partially correct 30 ms 600 KB Output is partially correct
43 Correct 6 ms 468 KB Output is correct
44 Correct 23 ms 704 KB Output is correct
45 Correct 15 ms 592 KB Output is correct
46 Correct 17 ms 468 KB Output is correct
47 Correct 13 ms 856 KB Output is correct
48 Correct 14 ms 468 KB Output is correct