Submission #942142

# Submission time Handle Problem Language Result Execution time Memory
942142 2024-03-10T10:00:28 Z benjaminkleyn Rarest Insects (IOI22_insects) C++17
53.16 / 100
91 ms 1108 KB
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;

int cnt;
bool inside[2000];

void init()
{
    cnt = 0;
    memset(inside, 0, sizeof(inside));
}
void move_in(int i)
{
    if (inside[i])
        return;
    cnt++;
    inside[i] = true;
    move_inside(i);
}
void move_out(int i)
{
    if (!inside[i])
        return;
    cnt--;
    inside[i] = false;
    move_outside(i);
}

int min_cardinality(int N) 
{
    init();
    for (int i = 0; i < N; i++)
    {
        move_in(i);
        if (press_button() > 1)
            move_out(i);
    }
    int num_types = cnt;

    int lo = 1, hi = N / cnt + 1, mid;
    while (lo < hi)
    {
        mid = lo + (hi - lo + 1) / 2;

        vector<int> new_insects;
        for (int i = 0; i < N; i++)
            if (!inside[i])
            {
                move_in(i);

                if (press_button() > mid)
                    move_out(i);
                else
                    new_insects.push_back(i);

                if (cnt == mid * num_types)
                    break;
            }

        if (cnt == mid * num_types)
            lo = mid;
        else
        {
            for (int x : new_insects)
                move_out(x);
            hi = mid - 1;
        }
    }
    return lo;
}
# 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 2 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 5 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 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 0 ms 344 KB Output is correct
6 Correct 2 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 5 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 340 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 600 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 9 ms 440 KB Output is correct
26 Correct 17 ms 436 KB Output is correct
27 Correct 35 ms 600 KB Output is correct
28 Correct 6 ms 344 KB Output is correct
29 Correct 39 ms 600 KB Output is correct
30 Correct 23 ms 600 KB Output is correct
31 Correct 10 ms 600 KB Output is correct
32 Correct 12 ms 440 KB Output is correct
33 Correct 16 ms 440 KB Output is correct
34 Correct 11 ms 600 KB Output is correct
35 Correct 13 ms 600 KB Output is correct
36 Correct 13 ms 440 KB Output is correct
37 Correct 12 ms 600 KB Output is correct
38 Correct 15 ms 344 KB Output is correct
39 Correct 10 ms 600 KB Output is correct
40 Correct 6 ms 436 KB Output is correct
41 Correct 6 ms 440 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 16 ms 428 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 19 ms 436 KB Output is correct
10 Partially correct 35 ms 848 KB Output is partially correct
11 Partially correct 91 ms 428 KB Output is partially correct
12 Correct 12 ms 344 KB Output is correct
13 Partially correct 85 ms 848 KB Output is partially correct
14 Partially correct 59 ms 604 KB Output is partially correct
15 Correct 23 ms 428 KB Output is correct
16 Correct 21 ms 600 KB Output is correct
17 Correct 23 ms 856 KB Output is correct
18 Partially correct 32 ms 600 KB Output is partially correct
19 Correct 22 ms 592 KB Output is correct
20 Partially correct 27 ms 676 KB Output is partially correct
21 Partially correct 33 ms 432 KB Output is partially correct
22 Partially correct 39 ms 692 KB Output is partially correct
23 Partially correct 31 ms 844 KB Output is partially correct
24 Correct 25 ms 592 KB Output is correct
25 Correct 14 ms 432 KB Output is correct
26 Correct 15 ms 672 KB Output is correct
27 Correct 25 ms 692 KB Output is correct
28 Correct 17 ms 436 KB Output is correct
29 Correct 27 ms 668 KB Output is correct
30 Correct 25 ms 344 KB Output is correct
31 Partially correct 44 ms 696 KB Output is partially correct
32 Partially correct 39 ms 592 KB Output is partially correct
33 Partially correct 44 ms 1052 KB Output is partially correct
34 Partially correct 34 ms 1104 KB Output is partially correct
35 Correct 27 ms 600 KB Output is correct
36 Correct 23 ms 696 KB Output is correct
37 Partially correct 36 ms 592 KB Output is partially correct
38 Partially correct 31 ms 600 KB Output is partially correct
39 Correct 27 ms 688 KB Output is correct
40 Correct 20 ms 1108 KB Output is correct
41 Correct 21 ms 700 KB Output is correct
42 Correct 28 ms 600 KB Output is correct
43 Partially correct 18 ms 344 KB Output is partially correct
44 Partially correct 70 ms 592 KB Output is partially correct
45 Correct 17 ms 596 KB Output is correct
46 Correct 13 ms 344 KB Output is correct
47 Correct 14 ms 344 KB Output is correct
48 Correct 15 ms 344 KB Output is correct