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Submission #491435

# Submission time Handle Problem Language Result Execution time Memory
491435 2021-12-02T07:58:03 Z Rainbowbunny Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 194 ms 29060 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 1e5 + 5;
const int MAXB = 10;

int n, kk;
set <int> M[MAXN];
int minbit[1 << MAXB], f[MAXB], cnt[1 << MAXB];
bitset <1 << MAXB> B;
bool Vis[MAXN];

int Check(int i)
{
    int ans = 1;
    int sz = M[i].size();
    vector <int> Adj;
    for(auto x : M[i])
    {
        Adj.push_back(x);
    }
    for(int j = 0; j < sz; j++)
    {
        f[j] = 0;
    }
    for(int j = 0; j < sz; j++)
    {
        for(int k = j + 1; k < sz; k++)
        {
            if(M[Adj[j]].count(Adj[k]))
            {
                f[j] |= (1 << k);
                f[k] |= (1 << j);
            }
        }
        f[j] |= (1 << j);
    }
    B.reset();
    B[0] = 1;
    for(int j = 1; j < (1 << sz); j++)
    {
        if((f[minbit[j]] & j) == j and B[j ^ (1 << minbit[j])])
        {
            B[j] = true;
            ans = max(ans, cnt[j] + 1);
        }
    }
    return ans;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    for(int i = 1; i < 1 << MAXB; i++)
    {
        for(int j = 0; j < MAXB; j++)
        {
            if(i & (1 << j))
            {
                minbit[i] = j;
                cnt[i] = cnt[i ^ (1 << j)] + 1;
                break; 
            }
        }
    }
    cin >> n >> kk;
    for(int i = 0; i < n; i++)
    {
        int sz;
        cin >> sz;
        for(int j = 0; j < sz; j++)
        {
            int a;
            cin >> a;
            M[i].emplace(a);
        }
    }
    int ans = 1;
    queue <int> Q;
    for(int i = 0; i < n; i++)
    {
        if((int)M[i].size() < kk)
        {
            Q.push(i);
            Vis[i] = true;
        }
    }
    while(Q.empty() == false)
    {
        int node = Q.front();
        ans = max(ans, Check(node));
        Q.pop();
        for(auto x : M[node])
        {
            M[x].erase(node);
            if((int)M[x].size() < kk and !Vis[x])
            {
                Q.push(x);
                Vis[x] = true;
            }
        }
        M[node].clear();
    }
    cout << ans << '\n';
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 6 ms 5560 KB Output is correct
4 Correct 5 ms 5580 KB Output is correct
5 Correct 5 ms 5528 KB Output is correct
6 Correct 5 ms 5580 KB Output is correct
7 Correct 7 ms 5452 KB Output is correct
8 Correct 3 ms 4976 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 6 ms 5560 KB Output is correct
4 Correct 5 ms 5580 KB Output is correct
5 Correct 5 ms 5528 KB Output is correct
6 Correct 5 ms 5580 KB Output is correct
7 Correct 7 ms 5452 KB Output is correct
8 Correct 3 ms 4976 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct
11 Correct 5 ms 5580 KB Output is correct
12 Correct 6 ms 5580 KB Output is correct
13 Correct 2 ms 4940 KB Output is correct
14 Correct 5 ms 5580 KB Output is correct
15 Correct 2 ms 4940 KB Output is correct
16 Correct 5 ms 5580 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 5 ms 5452 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 3 ms 5248 KB Output is correct
21 Correct 6 ms 5296 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 9 ms 5580 KB Output is correct
24 Correct 3 ms 4940 KB Output is correct
25 Correct 7 ms 5580 KB Output is correct
26 Correct 5 ms 5608 KB Output is correct
27 Correct 5 ms 5548 KB Output is correct
28 Correct 5 ms 5544 KB Output is correct
29 Correct 5 ms 5580 KB Output is correct
30 Correct 8 ms 5708 KB Output is correct
31 Correct 5 ms 5708 KB Output is correct
32 Correct 6 ms 5744 KB Output is correct
33 Correct 6 ms 5708 KB Output is correct
34 Correct 6 ms 5708 KB Output is correct
35 Correct 4 ms 5324 KB Output is correct
36 Correct 5 ms 5372 KB Output is correct
37 Correct 7 ms 5376 KB Output is correct
38 Correct 4 ms 5196 KB Output is correct
39 Correct 4 ms 5172 KB Output is correct
40 Correct 8 ms 6064 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 7 ms 5964 KB Output is correct
43 Correct 8 ms 6076 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 2 ms 4940 KB Output is correct
4 Correct 2 ms 4940 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 2 ms 4940 KB Output is correct
9 Correct 2 ms 5028 KB Output is correct
10 Correct 2 ms 5028 KB Output is correct
11 Correct 171 ms 28972 KB Output is correct
12 Correct 2 ms 4940 KB Output is correct
13 Correct 186 ms 28968 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 182 ms 29060 KB Output is correct
16 Correct 172 ms 29048 KB Output is correct
17 Correct 174 ms 28932 KB Output is correct
18 Correct 194 ms 29040 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 6 ms 5560 KB Output is correct
4 Correct 5 ms 5580 KB Output is correct
5 Correct 5 ms 5528 KB Output is correct
6 Correct 5 ms 5580 KB Output is correct
7 Correct 7 ms 5452 KB Output is correct
8 Correct 3 ms 4976 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct
11 Correct 5 ms 5580 KB Output is correct
12 Correct 6 ms 5580 KB Output is correct
13 Correct 2 ms 4940 KB Output is correct
14 Correct 5 ms 5580 KB Output is correct
15 Correct 2 ms 4940 KB Output is correct
16 Correct 5 ms 5580 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 5 ms 5452 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 3 ms 5248 KB Output is correct
21 Correct 6 ms 5296 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 9 ms 5580 KB Output is correct
24 Correct 3 ms 4940 KB Output is correct
25 Correct 7 ms 5580 KB Output is correct
26 Correct 5 ms 5608 KB Output is correct
27 Correct 5 ms 5548 KB Output is correct
28 Correct 5 ms 5544 KB Output is correct
29 Correct 5 ms 5580 KB Output is correct
30 Correct 8 ms 5708 KB Output is correct
31 Correct 5 ms 5708 KB Output is correct
32 Correct 6 ms 5744 KB Output is correct
33 Correct 6 ms 5708 KB Output is correct
34 Correct 6 ms 5708 KB Output is correct
35 Correct 4 ms 5324 KB Output is correct
36 Correct 5 ms 5372 KB Output is correct
37 Correct 7 ms 5376 KB Output is correct
38 Correct 4 ms 5196 KB Output is correct
39 Correct 4 ms 5172 KB Output is correct
40 Correct 8 ms 6064 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 7 ms 5964 KB Output is correct
43 Correct 8 ms 6076 KB Output is correct
44 Correct 13 ms 7116 KB Output is correct
45 Correct 2 ms 5024 KB Output is correct
46 Correct 7 ms 6064 KB Output is correct
47 Correct 13 ms 7028 KB Output is correct
48 Correct 8 ms 6064 KB Output is correct
49 Correct 14 ms 7116 KB Output is correct
50 Correct 15 ms 6984 KB Output is correct
51 Correct 28 ms 9148 KB Output is correct
52 Correct 6 ms 5452 KB Output is correct
53 Correct 32 ms 9684 KB Output is correct
54 Correct 31 ms 9580 KB Output is correct
55 Correct 5 ms 5580 KB Output is correct
56 Correct 5 ms 5580 KB Output is correct
57 Correct 3 ms 5068 KB Output is correct
58 Correct 39 ms 9696 KB Output is correct
59 Correct 7 ms 6092 KB Output is correct
60 Correct 7 ms 5452 KB Output is correct
61 Correct 7 ms 6060 KB Output is correct
62 Correct 9 ms 6096 KB Output is correct
63 Correct 14 ms 7128 KB Output is correct
64 Correct 12 ms 6860 KB Output is correct
65 Correct 7 ms 5836 KB Output is correct
66 Correct 7 ms 6092 KB Output is correct
67 Correct 16 ms 7516 KB Output is correct
68 Correct 11 ms 6828 KB Output is correct
69 Correct 7 ms 5836 KB Output is correct
70 Correct 13 ms 6900 KB Output is correct
71 Correct 16 ms 7440 KB Output is correct
72 Correct 15 ms 7428 KB Output is correct
73 Correct 5 ms 5580 KB Output is correct
74 Correct 15 ms 6860 KB Output is correct
75 Correct 16 ms 7372 KB Output is correct
76 Correct 10 ms 6348 KB Output is correct
77 Correct 21 ms 8012 KB Output is correct
78 Correct 7 ms 5580 KB Output is correct
79 Correct 16 ms 6508 KB Output is correct
80 Correct 14 ms 6348 KB Output is correct
81 Correct 21 ms 8004 KB Output is correct
82 Correct 5 ms 5164 KB Output is correct
83 Correct 12 ms 6476 KB Output is correct
84 Correct 13 ms 7384 KB Output is correct
85 Correct 3 ms 5196 KB Output is correct
86 Correct 15 ms 7384 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 6 ms 5560 KB Output is correct
4 Correct 5 ms 5580 KB Output is correct
5 Correct 5 ms 5528 KB Output is correct
6 Correct 5 ms 5580 KB Output is correct
7 Correct 7 ms 5452 KB Output is correct
8 Correct 3 ms 4976 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct
11 Correct 5 ms 5580 KB Output is correct
12 Correct 6 ms 5580 KB Output is correct
13 Correct 2 ms 4940 KB Output is correct
14 Correct 5 ms 5580 KB Output is correct
15 Correct 2 ms 4940 KB Output is correct
16 Correct 5 ms 5580 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 5 ms 5452 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 3 ms 5248 KB Output is correct
21 Correct 6 ms 5296 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 9 ms 5580 KB Output is correct
24 Correct 3 ms 4940 KB Output is correct
25 Correct 7 ms 5580 KB Output is correct
26 Correct 5 ms 5608 KB Output is correct
27 Correct 5 ms 5548 KB Output is correct
28 Correct 5 ms 5544 KB Output is correct
29 Correct 5 ms 5580 KB Output is correct
30 Correct 8 ms 5708 KB Output is correct
31 Correct 5 ms 5708 KB Output is correct
32 Correct 6 ms 5744 KB Output is correct
33 Correct 6 ms 5708 KB Output is correct
34 Correct 6 ms 5708 KB Output is correct
35 Correct 4 ms 5324 KB Output is correct
36 Correct 5 ms 5372 KB Output is correct
37 Correct 7 ms 5376 KB Output is correct
38 Correct 4 ms 5196 KB Output is correct
39 Correct 4 ms 5172 KB Output is correct
40 Correct 8 ms 6064 KB Output is correct
41 Correct 4 ms 5196 KB Output is correct
42 Correct 7 ms 5964 KB Output is correct
43 Correct 8 ms 6076 KB Output is correct
44 Correct 2 ms 4940 KB Output is correct
45 Correct 116 ms 21020 KB Output is correct
46 Correct 59 ms 13124 KB Output is correct
47 Correct 141 ms 20968 KB Output is correct
48 Correct 115 ms 20984 KB Output is correct
49 Correct 34 ms 10564 KB Output is correct
50 Correct 136 ms 26404 KB Output is correct
51 Correct 127 ms 21104 KB Output is correct
52 Correct 35 ms 10552 KB Output is correct
53 Correct 45 ms 10532 KB Output is correct
54 Correct 6 ms 5324 KB Output is correct
55 Correct 138 ms 26308 KB Output is correct
56 Correct 15 ms 8012 KB Output is correct
57 Correct 33 ms 10572 KB Output is correct
58 Correct 42 ms 13164 KB Output is correct
59 Correct 16 ms 8024 KB Output is correct
60 Correct 20 ms 7964 KB Output is correct
61 Correct 41 ms 13252 KB Output is correct
62 Correct 31 ms 10572 KB Output is correct
63 Correct 70 ms 14400 KB Output is correct
64 Correct 18 ms 7952 KB Output is correct
65 Correct 86 ms 17040 KB Output is correct
66 Correct 28 ms 10572 KB Output is correct
67 Correct 65 ms 14480 KB Output is correct
68 Correct 87 ms 16368 KB Output is correct
69 Correct 95 ms 17000 KB Output is correct
70 Correct 30 ms 10620 KB Output is correct
71 Correct 78 ms 16452 KB Output is correct
72 Correct 64 ms 14008 KB Output is correct
73 Correct 128 ms 18780 KB Output is correct
74 Correct 30 ms 10588 KB Output is correct
75 Correct 31 ms 10184 KB Output is correct
76 Correct 60 ms 14120 KB Output is correct
77 Correct 104 ms 18760 KB Output is correct
78 Correct 42 ms 11804 KB Output is correct
79 Correct 30 ms 10188 KB Output is correct
80 Correct 15 ms 7676 KB Output is correct
81 Correct 43 ms 11764 KB Output is correct
82 Correct 64 ms 15852 KB Output is correct
83 Correct 18 ms 7628 KB Output is correct
84 Correct 73 ms 15860 KB Output is correct