답안 #942188

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
942188	2024-03-10T10:37:53 Z	benjaminkleyn	드문 곤충 (IOI22_insects)	C++17	99.83 / 100	38 ms	1112 KB

insects

#include <bits/stdc++.h>
#include "insects.h"
using namespace std;

int cnt;
bool inside[2000];
bool bad[2000];

void init()
{
    cnt = 0;
    memset(inside, false, sizeof(inside));
    memset(bad, false, sizeof(bad));
}
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;

    if (num_types == 1)
        return N;
    if (num_types == N)
        return 1;

    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    vector<int> p(N);
    iota(p.begin(), p.end(), 0);

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

        shuffle(p.begin(), p.end(), rng);

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

                if (press_button() > mid)
                {
                    bad_insects.push_back(i);
                    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 i : bad_insects)
                bad[i] = true;
            for (int i : new_insects)
                move_out(i);
            hi = mid - 1;
        }
    }
    return lo;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	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	340 KB	Output is correct
9	Correct	4 ms	440 KB	Output is correct
10	Correct	4 ms	600 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	3 ms	600 KB	Output is correct
14	Correct	3 ms	600 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	2 ms	444 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	3 ms	600 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	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	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	340 KB	Output is correct
9	Correct	4 ms	440 KB	Output is correct
10	Correct	4 ms	600 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	3 ms	600 KB	Output is correct
14	Correct	3 ms	600 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	2 ms	444 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	3 ms	600 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	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	4 ms	344 KB	Output is correct
24	Correct	4 ms	344 KB	Output is correct
25	Correct	13 ms	856 KB	Output is correct
26	Correct	13 ms	600 KB	Output is correct
27	Correct	12 ms	700 KB	Output is correct
28	Correct	7 ms	856 KB	Output is correct
29	Correct	12 ms	608 KB	Output is correct
30	Correct	12 ms	848 KB	Output is correct
31	Correct	11 ms	692 KB	Output is correct
32	Correct	11 ms	696 KB	Output is correct
33	Correct	14 ms	600 KB	Output is correct
34	Correct	9 ms	700 KB	Output is correct
35	Correct	11 ms	600 KB	Output is correct
36	Correct	12 ms	444 KB	Output is correct
37	Correct	15 ms	600 KB	Output is correct
38	Correct	13 ms	600 KB	Output is correct
39	Correct	12 ms	856 KB	Output is correct
40	Correct	8 ms	696 KB	Output is correct
41	Correct	8 ms	600 KB	Output is correct

Subtask #3
74.83 / 75.0

#	결과	실행 시간	메모리	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	340 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	9 ms	344 KB	Output is correct
8	Correct	9 ms	344 KB	Output is correct
9	Correct	19 ms	692 KB	Output is correct
10	Correct	24 ms	700 KB	Output is correct
11	Correct	25 ms	1112 KB	Output is correct
12	Correct	16 ms	856 KB	Output is correct
13	Correct	26 ms	592 KB	Output is correct
14	Correct	29 ms	940 KB	Output is correct
15	Correct	29 ms	592 KB	Output is correct
16	Correct	24 ms	848 KB	Output is correct
17	Correct	23 ms	592 KB	Output is correct
18	Correct	24 ms	600 KB	Output is correct
19	Correct	31 ms	692 KB	Output is correct
20	Correct	37 ms	848 KB	Output is correct
21	Correct	26 ms	848 KB	Output is correct
22	Correct	28 ms	860 KB	Output is correct
23	Correct	27 ms	944 KB	Output is correct
24	Correct	21 ms	684 KB	Output is correct
25	Correct	13 ms	592 KB	Output is correct
26	Correct	10 ms	948 KB	Output is correct
27	Correct	26 ms	1104 KB	Output is correct
28	Correct	15 ms	592 KB	Output is correct
29	Correct	27 ms	688 KB	Output is correct
30	Correct	24 ms	600 KB	Output is correct
31	Correct	22 ms	848 KB	Output is correct
32	Partially correct	38 ms	436 KB	Output is partially correct
33	Correct	25 ms	1104 KB	Output is correct
34	Correct	32 ms	444 KB	Output is correct
35	Correct	25 ms	444 KB	Output is correct
36	Correct	25 ms	688 KB	Output is correct
37	Correct	28 ms	676 KB	Output is correct
38	Correct	28 ms	856 KB	Output is correct
39	Correct	26 ms	956 KB	Output is correct
40	Correct	19 ms	688 KB	Output is correct
41	Correct	22 ms	856 KB	Output is correct
42	Correct	28 ms	600 KB	Output is correct
43	Correct	7 ms	600 KB	Output is correct
44	Correct	21 ms	700 KB	Output is correct
45	Correct	24 ms	680 KB	Output is correct
46	Correct	14 ms	444 KB	Output is correct
47	Correct	13 ms	444 KB	Output is correct
48	Correct	14 ms	436 KB	Output is correct

답안 #942188

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.83 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.83 / 75.0