답안 #978176

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
978176 2024-05-09T02:16:55 Z 12345678 드문 곤충 (IOI22_insects) C++17
99.89 / 100
37 ms 1112 KB
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=2e3+5;

mt19937 rng(time(0));

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

vector<pair<int, int>> v;

int min_cardinality(int N) {
    cin.tie(NULL)->sync_with_stdio(false);
    for (int i=0; i<N; i++) v.push_back({rng(), i});
    sort(v.begin(), v.end());
    for (int i=0; i<N; i++) p[v[i].second]=i;
    for (int i=0; i<N; i++)
    {
        move_inside(p[i]);
        if (press_button()==1) cnt++, in[i]=1, s[i]=1;
        else move_outside(p[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(p[i]);
            if (press_button()>md) move_outside(p[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(p[i]), sz--;
        }
    }
    return l;
}
# 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 0 ms 596 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 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 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 3 ms 480 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 476 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 596 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 480 KB Output is correct
22 Correct 1 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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 596 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 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 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 3 ms 480 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 476 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 596 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 480 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 6 ms 600 KB Output is correct
25 Correct 12 ms 740 KB Output is correct
26 Correct 12 ms 860 KB Output is correct
27 Correct 11 ms 484 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 13 ms 500 KB Output is correct
30 Correct 13 ms 472 KB Output is correct
31 Correct 13 ms 724 KB Output is correct
32 Correct 14 ms 996 KB Output is correct
33 Correct 14 ms 488 KB Output is correct
34 Correct 15 ms 740 KB Output is correct
35 Correct 16 ms 488 KB Output is correct
36 Correct 12 ms 732 KB Output is correct
37 Correct 17 ms 744 KB Output is correct
38 Correct 11 ms 1112 KB Output is correct
39 Correct 9 ms 592 KB Output is correct
40 Correct 7 ms 608 KB Output is correct
41 Correct 4 ms 600 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 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 352 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 8 ms 344 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 26 ms 752 KB Output is correct
10 Correct 27 ms 604 KB Output is correct
11 Correct 24 ms 488 KB Output is correct
12 Correct 14 ms 600 KB Output is correct
13 Correct 30 ms 492 KB Output is correct
14 Correct 29 ms 748 KB Output is correct
15 Correct 23 ms 500 KB Output is correct
16 Correct 32 ms 748 KB Output is correct
17 Correct 26 ms 744 KB Output is correct
18 Correct 25 ms 1012 KB Output is correct
19 Partially correct 31 ms 996 KB Output is partially correct
20 Correct 28 ms 764 KB Output is correct
21 Correct 30 ms 992 KB Output is correct
22 Correct 37 ms 600 KB Output is correct
23 Correct 21 ms 852 KB Output is correct
24 Correct 20 ms 1020 KB Output is correct
25 Correct 16 ms 856 KB Output is correct
26 Correct 9 ms 508 KB Output is correct
27 Correct 25 ms 760 KB Output is correct
28 Correct 22 ms 592 KB Output is correct
29 Partially correct 30 ms 848 KB Output is partially correct
30 Partially correct 23 ms 756 KB Output is partially correct
31 Correct 29 ms 600 KB Output is correct
32 Correct 27 ms 512 KB Output is correct
33 Correct 26 ms 744 KB Output is correct
34 Correct 29 ms 740 KB Output is correct
35 Partially correct 32 ms 496 KB Output is partially correct
36 Partially correct 32 ms 492 KB Output is partially correct
37 Correct 29 ms 1104 KB Output is correct
38 Correct 28 ms 600 KB Output is correct
39 Correct 28 ms 748 KB Output is correct
40 Correct 28 ms 744 KB Output is correct
41 Partially correct 29 ms 748 KB Output is partially correct
42 Partially correct 30 ms 600 KB Output is partially correct
43 Correct 7 ms 488 KB Output is correct
44 Correct 17 ms 844 KB Output is correct
45 Correct 30 ms 492 KB Output is correct
46 Correct 12 ms 600 KB Output is correct
47 Correct 16 ms 864 KB Output is correct
48 Correct 12 ms 856 KB Output is correct