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답안 #764948

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
764948 2023-06-24T06:54:08 Z adrilen Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 257 ms 30084 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;
using arr = array<int, 2>;

constexpr int maxn = 5e4 + 5, maxk = 11;

bool visited[maxn] = { 0 };

set<int> adj[maxn];
int k;
int output = 1;


void dfs(int pos)
{
    // assert(!visited[pos]);
    assert((int)adj[pos].size() <= k);

    visited[pos] = true;
    vector <bitset<maxk>> v(adj[pos].size());
    int ii = 0; // Counts which place it is in the order of adj[pos]
    int iii;
    for (int i : adj[pos])
    {
        iii = 0;

        v[ii][ii] = true;

        for (int y : adj[pos])
        {
            if (i != y) {
                v[ii][iii] = adj[i].count(y);
            }   
            iii++;
        }
        ii++;
    }

    bitset<maxk> all;

    for (int i = 1; i < (1 << (adj[pos].size())); i++){

        all.set();

        for (size_t y = 0; y < adj[pos].size(); y++) {
            if (i & (1 << y)) all &= v[y];
        }
        // cout << i << " " << all << "\n";
        if (__builtin_popcount(i) == all.count()) output = max(output, __builtin_popcount(i) + 1);
    }

    for (int i : adj[pos]) adj[i].erase(pos); // Something with the deletion is fishy, since 

    for (int i : adj[pos]) if (!visited[i] && (int)adj[i].size() <= k) dfs(i); // We need this !visited[i]
}


int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n >> k;

    for (int i = 0; i < n; i++)
    {
        int a, b;
        cin >> a;

        for (int y = 0; y < a; y++)
        {
            cin >> b;
            adj[i].insert(b);
        }  
    }


    for (int i = 0; i < n; i++) if (!visited[i] && (int)adj[i].size() <= k) dfs(i);

    cout << output << "\n";

    // cerr << clock() / static_cast<double>(CLOCKS_PER_SEC) << "\n";
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3028 KB Output is correct
4 Correct 3 ms 3028 KB Output is correct
5 Correct 5 ms 3072 KB Output is correct
6 Correct 3 ms 3028 KB Output is correct
7 Correct 3 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3028 KB Output is correct
4 Correct 3 ms 3028 KB Output is correct
5 Correct 5 ms 3072 KB Output is correct
6 Correct 3 ms 3028 KB Output is correct
7 Correct 3 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 3 ms 3028 KB Output is correct
12 Correct 3 ms 3028 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 3 ms 3148 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 3 ms 3028 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 3 ms 3144 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 2 ms 2900 KB Output is correct
21 Correct 2 ms 2900 KB Output is correct
22 Correct 2 ms 2680 KB Output is correct
23 Correct 4 ms 3540 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 4 ms 3528 KB Output is correct
26 Correct 5 ms 3412 KB Output is correct
27 Correct 3 ms 3796 KB Output is correct
28 Correct 4 ms 3412 KB Output is correct
29 Correct 3 ms 3796 KB Output is correct
30 Correct 4 ms 3284 KB Output is correct
31 Correct 4 ms 3668 KB Output is correct
32 Correct 4 ms 3284 KB Output is correct
33 Correct 4 ms 3668 KB Output is correct
34 Correct 4 ms 3668 KB Output is correct
35 Correct 3 ms 3156 KB Output is correct
36 Correct 3 ms 3156 KB Output is correct
37 Correct 2 ms 3156 KB Output is correct
38 Correct 2 ms 2772 KB Output is correct
39 Correct 2 ms 2900 KB Output is correct
40 Correct 5 ms 3796 KB Output is correct
41 Correct 2 ms 2900 KB Output is correct
42 Correct 6 ms 3760 KB Output is correct
43 Correct 5 ms 3796 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 210 ms 30080 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 213 ms 30068 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 211 ms 30036 KB Output is correct
16 Correct 201 ms 30032 KB Output is correct
17 Correct 210 ms 30084 KB Output is correct
18 Correct 257 ms 30072 KB Output is correct

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3028 KB Output is correct
4 Correct 3 ms 3028 KB Output is correct
5 Correct 5 ms 3072 KB Output is correct
6 Correct 3 ms 3028 KB Output is correct
7 Correct 3 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 3 ms 3028 KB Output is correct
12 Correct 3 ms 3028 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 3 ms 3148 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 3 ms 3028 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 3 ms 3144 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 2 ms 2900 KB Output is correct
21 Correct 2 ms 2900 KB Output is correct
22 Correct 2 ms 2680 KB Output is correct
23 Correct 4 ms 3540 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 4 ms 3528 KB Output is correct
26 Correct 5 ms 3412 KB Output is correct
27 Correct 3 ms 3796 KB Output is correct
28 Correct 4 ms 3412 KB Output is correct
29 Correct 3 ms 3796 KB Output is correct
30 Correct 4 ms 3284 KB Output is correct
31 Correct 4 ms 3668 KB Output is correct
32 Correct 4 ms 3284 KB Output is correct
33 Correct 4 ms 3668 KB Output is correct
34 Correct 4 ms 3668 KB Output is correct
35 Correct 3 ms 3156 KB Output is correct
36 Correct 3 ms 3156 KB Output is correct
37 Correct 2 ms 3156 KB Output is correct
38 Correct 2 ms 2772 KB Output is correct
39 Correct 2 ms 2900 KB Output is correct
40 Correct 5 ms 3796 KB Output is correct
41 Correct 2 ms 2900 KB Output is correct
42 Correct 6 ms 3760 KB Output is correct
43 Correct 5 ms 3796 KB Output is correct
44 Correct 13 ms 4436 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 6 ms 3924 KB Output is correct
47 Correct 13 ms 5068 KB Output is correct
48 Correct 6 ms 3924 KB Output is correct
49 Correct 14 ms 5184 KB Output is correct
50 Correct 17 ms 5072 KB Output is correct
51 Correct 75 ms 6912 KB Output is correct
52 Correct 3 ms 3028 KB Output is correct
53 Correct 84 ms 6876 KB Output is correct
54 Correct 195 ms 7472 KB Output is correct
55 Correct 7 ms 3152 KB Output is correct
56 Correct 3 ms 3156 KB Output is correct
57 Correct 2 ms 2644 KB Output is correct
58 Correct 71 ms 6880 KB Output is correct
59 Correct 5 ms 3540 KB Output is correct
60 Correct 6 ms 3028 KB Output is correct
61 Correct 5 ms 3540 KB Output is correct
62 Correct 5 ms 3540 KB Output is correct
63 Correct 13 ms 4436 KB Output is correct
64 Correct 11 ms 4436 KB Output is correct
65 Correct 5 ms 3924 KB Output is correct
66 Correct 5 ms 3540 KB Output is correct
67 Correct 66 ms 5516 KB Output is correct
68 Correct 9 ms 4308 KB Output is correct
69 Correct 5 ms 3924 KB Output is correct
70 Correct 14 ms 4968 KB Output is correct
71 Correct 63 ms 5552 KB Output is correct
72 Correct 60 ms 5340 KB Output is correct
73 Correct 3 ms 3796 KB Output is correct
74 Correct 16 ms 4948 KB Output is correct
75 Correct 62 ms 5324 KB Output is correct
76 Correct 8 ms 4308 KB Output is correct
77 Correct 79 ms 6092 KB Output is correct
78 Correct 3 ms 3796 KB Output is correct
79 Correct 39 ms 4264 KB Output is correct
80 Correct 8 ms 4308 KB Output is correct
81 Correct 79 ms 5988 KB Output is correct
82 Correct 2 ms 2900 KB Output is correct
83 Correct 44 ms 4296 KB Output is correct
84 Correct 18 ms 5424 KB Output is correct
85 Correct 2 ms 2900 KB Output is correct
86 Correct 18 ms 5460 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 3028 KB Output is correct
4 Correct 3 ms 3028 KB Output is correct
5 Correct 5 ms 3072 KB Output is correct
6 Correct 3 ms 3028 KB Output is correct
7 Correct 3 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 3 ms 3028 KB Output is correct
12 Correct 3 ms 3028 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 3 ms 3148 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 3 ms 3028 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 3 ms 3144 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 2 ms 2900 KB Output is correct
21 Correct 2 ms 2900 KB Output is correct
22 Correct 2 ms 2680 KB Output is correct
23 Correct 4 ms 3540 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 4 ms 3528 KB Output is correct
26 Correct 5 ms 3412 KB Output is correct
27 Correct 3 ms 3796 KB Output is correct
28 Correct 4 ms 3412 KB Output is correct
29 Correct 3 ms 3796 KB Output is correct
30 Correct 4 ms 3284 KB Output is correct
31 Correct 4 ms 3668 KB Output is correct
32 Correct 4 ms 3284 KB Output is correct
33 Correct 4 ms 3668 KB Output is correct
34 Correct 4 ms 3668 KB Output is correct
35 Correct 3 ms 3156 KB Output is correct
36 Correct 3 ms 3156 KB Output is correct
37 Correct 2 ms 3156 KB Output is correct
38 Correct 2 ms 2772 KB Output is correct
39 Correct 2 ms 2900 KB Output is correct
40 Correct 5 ms 3796 KB Output is correct
41 Correct 2 ms 2900 KB Output is correct
42 Correct 6 ms 3760 KB Output is correct
43 Correct 5 ms 3796 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 91 ms 20404 KB Output is correct
46 Correct 34 ms 9648 KB Output is correct
47 Correct 92 ms 21732 KB Output is correct
48 Correct 92 ms 20424 KB Output is correct
49 Correct 23 ms 7348 KB Output is correct
50 Correct 105 ms 23808 KB Output is correct
51 Correct 100 ms 23500 KB Output is correct
52 Correct 21 ms 8020 KB Output is correct
53 Correct 30 ms 8056 KB Output is correct
54 Correct 4 ms 2772 KB Output is correct
55 Correct 111 ms 23820 KB Output is correct
56 Correct 10 ms 5332 KB Output is correct
57 Correct 22 ms 8012 KB Output is correct
58 Correct 28 ms 10572 KB Output is correct
59 Correct 11 ms 5332 KB Output is correct
60 Correct 10 ms 5332 KB Output is correct
61 Correct 26 ms 10572 KB Output is correct
62 Correct 20 ms 8104 KB Output is correct
63 Correct 48 ms 16068 KB Output is correct
64 Correct 10 ms 5332 KB Output is correct
65 Correct 64 ms 19172 KB Output is correct
66 Correct 24 ms 8020 KB Output is correct
67 Correct 46 ms 15948 KB Output is correct
68 Correct 59 ms 18424 KB Output is correct
69 Correct 64 ms 19252 KB Output is correct
70 Correct 27 ms 15016 KB Output is correct
71 Correct 65 ms 18480 KB Output is correct
72 Correct 51 ms 14020 KB Output is correct
73 Correct 84 ms 21708 KB Output is correct
74 Correct 26 ms 15020 KB Output is correct
75 Correct 24 ms 10292 KB Output is correct
76 Correct 46 ms 13900 KB Output is correct
77 Correct 81 ms 21696 KB Output is correct
78 Correct 45 ms 12288 KB Output is correct
79 Correct 30 ms 10356 KB Output is correct
80 Correct 12 ms 5204 KB Output is correct
81 Correct 33 ms 12156 KB Output is correct
82 Correct 49 ms 18532 KB Output is correct
83 Correct 12 ms 5180 KB Output is correct
84 Correct 50 ms 18600 KB Output is correct