oj.uz

답안 #764675

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
764675 2023-06-23T20:56:04 Z adrilen Political Development (BOI17_politicaldevelopment) C++17
77 / 100
 3000 ms 32744 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, maxk = 11;

bool visited[maxn] = { 0 };

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


void dfs(int pos)
{
    assert(!visited[pos]);
    // assert(adj[pos].size() <= k);
    // cout << pos << endl;
    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])
    {
        auto it = adj[pos].begin();
        auto ft = adj[i].begin();


        iii = 0;

        v[ii][ii] = true;

        while (it != adj[pos].end() && ft != adj[i].end())
        {
            if (*it < *ft)
            {
                it++;
                iii++;
                continue;
            }

            if (*ft < *it)
            {
                ft++;
                continue;
            }

            v[ii][iii] = true;
            it++, ft++;
            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);

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

/*
Det er en ganske spesiell graf og derfor kan

*/

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 9 ms 3028 KB Output is correct
5 Correct 12 ms 3148 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 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 9 ms 3028 KB Output is correct
5 Correct 12 ms 3148 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 7 ms 3028 KB Output is correct
12 Correct 9 ms 3028 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 28 ms 3140 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 4 ms 3028 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 4 ms 3028 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 1 ms 2644 KB Output is correct
23 Correct 4 ms 3540 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 4 ms 3540 KB Output is correct
26 Correct 4 ms 3412 KB Output is correct
27 Correct 4 ms 3924 KB Output is correct
28 Correct 4 ms 3524 KB Output is correct
29 Correct 3 ms 3924 KB Output is correct
30 Correct 11 ms 3328 KB Output is correct
31 Correct 5 ms 3668 KB Output is correct
32 Correct 9 ms 3292 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 3200 KB Output is correct
36 Correct 3 ms 3200 KB Output is correct
37 Correct 4 ms 3156 KB Output is correct
38 Correct 2 ms 2900 KB Output is correct
39 Correct 2 ms 2924 KB Output is correct
40 Correct 6 ms 3872 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 6 ms 3876 KB Output is correct
43 Correct 6 ms 3924 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 1 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 240 ms 29988 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 227 ms 32592 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 226 ms 32600 KB Output is correct
16 Correct 235 ms 32744 KB Output is correct
17 Correct 229 ms 32668 KB Output is correct
18 Correct 246 ms 32612 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 9 ms 3028 KB Output is correct
5 Correct 12 ms 3148 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 7 ms 3028 KB Output is correct
12 Correct 9 ms 3028 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 28 ms 3140 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 4 ms 3028 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 4 ms 3028 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 1 ms 2644 KB Output is correct
23 Correct 4 ms 3540 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 4 ms 3540 KB Output is correct
26 Correct 4 ms 3412 KB Output is correct
27 Correct 4 ms 3924 KB Output is correct
28 Correct 4 ms 3524 KB Output is correct
29 Correct 3 ms 3924 KB Output is correct
30 Correct 11 ms 3328 KB Output is correct
31 Correct 5 ms 3668 KB Output is correct
32 Correct 9 ms 3292 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 3200 KB Output is correct
36 Correct 3 ms 3200 KB Output is correct
37 Correct 4 ms 3156 KB Output is correct
38 Correct 2 ms 2900 KB Output is correct
39 Correct 2 ms 2924 KB Output is correct
40 Correct 6 ms 3872 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 6 ms 3876 KB Output is correct
43 Correct 6 ms 3924 KB Output is correct
44 Correct 13 ms 4760 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 6 ms 4052 KB Output is correct
47 Correct 14 ms 5332 KB Output is correct
48 Correct 6 ms 4052 KB Output is correct
49 Correct 14 ms 5332 KB Output is correct
50 Correct 18 ms 5332 KB Output is correct
51 Correct 80 ms 7332 KB Output is correct
52 Correct 4 ms 3156 KB Output is correct
53 Correct 1163 ms 7312 KB Output is correct
54 Correct 209 ms 7884 KB Output is correct
55 Correct 7 ms 3156 KB Output is correct
56 Correct 3 ms 3156 KB Output is correct
57 Correct 2 ms 2772 KB Output is correct
58 Correct 914 ms 7364 KB Output is correct
59 Correct 5 ms 3668 KB Output is correct
60 Correct 7 ms 3208 KB Output is correct
61 Correct 5 ms 3616 KB Output is correct
62 Correct 5 ms 3668 KB Output is correct
63 Correct 13 ms 4692 KB Output is correct
64 Correct 10 ms 4436 KB Output is correct
65 Correct 5 ms 3924 KB Output is correct
66 Correct 5 ms 3668 KB Output is correct
67 Correct 69 ms 5740 KB Output is correct
68 Correct 10 ms 4436 KB Output is correct
69 Correct 5 ms 3960 KB Output is correct
70 Correct 19 ms 5112 KB Output is correct
71 Correct 66 ms 5792 KB Output is correct
72 Correct 62 ms 5628 KB Output is correct
73 Correct 3 ms 3924 KB Output is correct
74 Correct 17 ms 5068 KB Output is correct
75 Correct 64 ms 5544 KB Output is correct
76 Correct 22 ms 4500 KB Output is correct
77 Correct 83 ms 6188 KB Output is correct
78 Correct 3 ms 3836 KB Output is correct
79 Correct 41 ms 4452 KB Output is correct
80 Correct 17 ms 4488 KB Output is correct
81 Correct 83 ms 6220 KB Output is correct
82 Correct 3 ms 2816 KB Output is correct
83 Correct 43 ms 4488 KB Output is correct
84 Correct 19 ms 5604 KB Output is correct
85 Correct 3 ms 2900 KB Output is correct
86 Correct 22 ms 5560 KB Output is correct

Subtask #5
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 9 ms 3028 KB Output is correct
5 Correct 12 ms 3148 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3028 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 7 ms 3028 KB Output is correct
12 Correct 9 ms 3028 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 28 ms 3140 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 4 ms 3028 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 4 ms 3028 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 1 ms 2644 KB Output is correct
23 Correct 4 ms 3540 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 4 ms 3540 KB Output is correct
26 Correct 4 ms 3412 KB Output is correct
27 Correct 4 ms 3924 KB Output is correct
28 Correct 4 ms 3524 KB Output is correct
29 Correct 3 ms 3924 KB Output is correct
30 Correct 11 ms 3328 KB Output is correct
31 Correct 5 ms 3668 KB Output is correct
32 Correct 9 ms 3292 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 3200 KB Output is correct
36 Correct 3 ms 3200 KB Output is correct
37 Correct 4 ms 3156 KB Output is correct
38 Correct 2 ms 2900 KB Output is correct
39 Correct 2 ms 2924 KB Output is correct
40 Correct 6 ms 3872 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 6 ms 3876 KB Output is correct
43 Correct 6 ms 3924 KB Output is correct
44 Correct 1 ms 2652 KB Output is correct
45 Correct 108 ms 22220 KB Output is correct
46 Correct 441 ms 10676 KB Output is correct
47 Correct 114 ms 23500 KB Output is correct
48 Correct 103 ms 22228 KB Output is correct
49 Execution timed out 3074 ms 8032 KB Time limit exceeded
50 Halted 0 ms 0 KB -