oj.uz

Submission #223834

# Submission time Handle Problem Language Result Execution time Memory
223834 2020-04-16T14:18:08 Z jk_ Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 548 ms 29688 KB 
#include <iostream>
#include <vector>
#include <set>
#include <bitset>
#include <cassert>
#include <array>

#define int int64_t
#define bs bitset<10>

using namespace std;


struct findcliq
{
  int n;
  bitset<(1<<10)> b;
  array<bitset<10>, 10> adjmat;

  int find()
  {
    assert(n <= 10);
    b[0] = 1;
    int mmax = 0;

    for (int i = 1; i < (1<<n); i++)
      {
	for (int ad = 0; ad < n; ad++)
	  {
	    if (!(i & (1<<ad))) continue;
	    int ls = i - (1<<ad);
	    if (!b[ls]) continue;
	    bool ok = true;
	    for (int in = 0; in < n; in++)
	      {
		if ((1<<in) & ls)
		  {
		    if (!adjmat[in][ad]) ok = false;
		  }
	      }
	    b[i] = b[i] | ok;
	  }
	if (b[i]) mmax = max(mmax, (int)__builtin_popcount(i));
      }
    return mmax;
  }

  void print()
  {
    cout << n << "\n";
    for (int i = 0; i < n; i++)
      {
	for (int j = 0; j < n; j++)
	  {
	    cout << adjmat[i][j];
	  }
	cout << "\n";
      }
    cout << "\n";
  }
};

struct graph
{
  int n;
  vector<set<int>> adjset;
  multiset<pair<int,int>> act;

  int solve()
  {
    int res = 0;
    for (int i = 0; i < n; i++)
      {
	act.insert({adjset[i].size(), i});
      }

    while (!act.empty())
      {
	int curr = act.begin()->second;
	act.erase(act.begin());

	int sz = adjset[curr].size() + 1;

	findcliq fq;
	fq.n = sz;
	
	vector<int> all(adjset[curr].begin(), adjset[curr].end());
	all.push_back(curr);

	for (int i = 0; i < sz; i++)
	  {
	    for (int j = 0; j < sz; j++)
	      {
		fq.adjmat[i][j] = adjset[all[i]].count(all[j]);
	      }
	  }

	for (auto next : adjset[curr])
	  {
	    act.erase({adjset[next].size(), next});
	    adjset[next].erase(curr);
	    act.insert({adjset[next].size(), next});
	  }
	res = max(res, fq.find());
      }
    return res;
  }
};

signed main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
    
  int n, k;
  cin >> n >> k;

  graph g;
  g.n = n;
  g.adjset.resize(n);

  for (int i = 0; i < n; i++)
    {
      int cnt;
      cin >> cnt;
      for (int j = 0; j < cnt; j++)
        {
	  int a;
	  cin >> a;
	  g.adjset[i].insert(a);
        }
    }
  cout << g.solve() << "\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 11 ms 1408 KB Output is correct
4 Correct 10 ms 1408 KB Output is correct
5 Correct 11 ms 1408 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 11 ms 1408 KB Output is correct
8 Correct 6 ms 896 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 6 ms 896 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 11 ms 1408 KB Output is correct
4 Correct 10 ms 1408 KB Output is correct
5 Correct 11 ms 1408 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 11 ms 1408 KB Output is correct
8 Correct 6 ms 896 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 6 ms 896 KB Output is correct
11 Correct 11 ms 1408 KB Output is correct
12 Correct 13 ms 1664 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 11 ms 1408 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 11 ms 1408 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 11 ms 1408 KB Output is correct
19 Correct 7 ms 896 KB Output is correct
20 Correct 10 ms 1152 KB Output is correct
21 Correct 8 ms 1152 KB Output is correct
22 Correct 6 ms 896 KB Output is correct
23 Correct 12 ms 1536 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 12 ms 1536 KB Output is correct
26 Correct 11 ms 1536 KB Output is correct
27 Correct 10 ms 1408 KB Output is correct
28 Correct 12 ms 1536 KB Output is correct
29 Correct 10 ms 1408 KB Output is correct
30 Correct 13 ms 1536 KB Output is correct
31 Correct 13 ms 1536 KB Output is correct
32 Correct 13 ms 1536 KB Output is correct
33 Correct 12 ms 1664 KB Output is correct
34 Correct 14 ms 1536 KB Output is correct
35 Correct 8 ms 1024 KB Output is correct
36 Correct 8 ms 896 KB Output is correct
37 Correct 8 ms 896 KB Output is correct
38 Correct 7 ms 768 KB Output is correct
39 Correct 7 ms 768 KB Output is correct
40 Correct 16 ms 1920 KB Output is correct
41 Correct 7 ms 768 KB Output is correct
42 Correct 16 ms 1920 KB Output is correct
43 Correct 17 ms 1920 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 896 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 548 ms 29560 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 486 ms 29560 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 502 ms 29560 KB Output is correct
16 Correct 519 ms 29560 KB Output is correct
17 Correct 497 ms 29560 KB Output is correct
18 Correct 500 ms 29688 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 11 ms 1408 KB Output is correct
4 Correct 10 ms 1408 KB Output is correct
5 Correct 11 ms 1408 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 11 ms 1408 KB Output is correct
8 Correct 6 ms 896 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 6 ms 896 KB Output is correct
11 Correct 11 ms 1408 KB Output is correct
12 Correct 13 ms 1664 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 11 ms 1408 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 11 ms 1408 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 11 ms 1408 KB Output is correct
19 Correct 7 ms 896 KB Output is correct
20 Correct 10 ms 1152 KB Output is correct
21 Correct 8 ms 1152 KB Output is correct
22 Correct 6 ms 896 KB Output is correct
23 Correct 12 ms 1536 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 12 ms 1536 KB Output is correct
26 Correct 11 ms 1536 KB Output is correct
27 Correct 10 ms 1408 KB Output is correct
28 Correct 12 ms 1536 KB Output is correct
29 Correct 10 ms 1408 KB Output is correct
30 Correct 13 ms 1536 KB Output is correct
31 Correct 13 ms 1536 KB Output is correct
32 Correct 13 ms 1536 KB Output is correct
33 Correct 12 ms 1664 KB Output is correct
34 Correct 14 ms 1536 KB Output is correct
35 Correct 8 ms 1024 KB Output is correct
36 Correct 8 ms 896 KB Output is correct
37 Correct 8 ms 896 KB Output is correct
38 Correct 7 ms 768 KB Output is correct
39 Correct 7 ms 768 KB Output is correct
40 Correct 16 ms 1920 KB Output is correct
41 Correct 7 ms 768 KB Output is correct
42 Correct 16 ms 1920 KB Output is correct
43 Correct 17 ms 1920 KB Output is correct
44 Correct 134 ms 2944 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 17 ms 1920 KB Output is correct
47 Correct 32 ms 2944 KB Output is correct
48 Correct 17 ms 1920 KB Output is correct
49 Correct 32 ms 2944 KB Output is correct
50 Correct 33 ms 2944 KB Output is correct
51 Correct 157 ms 4984 KB Output is correct
52 Correct 10 ms 1408 KB Output is correct
53 Correct 249 ms 5504 KB Output is correct
54 Correct 273 ms 5504 KB Output is correct
55 Correct 13 ms 1408 KB Output is correct
56 Correct 11 ms 1408 KB Output is correct
57 Correct 6 ms 896 KB Output is correct
58 Correct 239 ms 5496 KB Output is correct
59 Correct 15 ms 1920 KB Output is correct
60 Correct 11 ms 1408 KB Output is correct
61 Correct 15 ms 1920 KB Output is correct
62 Correct 16 ms 1920 KB Output is correct
63 Correct 133 ms 2944 KB Output is correct
64 Correct 67 ms 2688 KB Output is correct
65 Correct 15 ms 1792 KB Output is correct
66 Correct 16 ms 1920 KB Output is correct
67 Correct 74 ms 3328 KB Output is correct
68 Correct 66 ms 2688 KB Output is correct
69 Correct 15 ms 1792 KB Output is correct
70 Correct 30 ms 2816 KB Output is correct
71 Correct 77 ms 3320 KB Output is correct
72 Correct 57 ms 3280 KB Output is correct
73 Correct 10 ms 1408 KB Output is correct
74 Correct 31 ms 2816 KB Output is correct
75 Correct 55 ms 3328 KB Output is correct
76 Correct 21 ms 2304 KB Output is correct
77 Correct 77 ms 3840 KB Output is correct
78 Correct 10 ms 1408 KB Output is correct
79 Correct 39 ms 2048 KB Output is correct
80 Correct 21 ms 2304 KB Output is correct
81 Correct 74 ms 3840 KB Output is correct
82 Correct 7 ms 768 KB Output is correct
83 Correct 41 ms 2048 KB Output is correct
84 Correct 44 ms 3200 KB Output is correct
85 Correct 7 ms 768 KB Output is correct
86 Correct 43 ms 3200 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 11 ms 1408 KB Output is correct
4 Correct 10 ms 1408 KB Output is correct
5 Correct 11 ms 1408 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 11 ms 1408 KB Output is correct
8 Correct 6 ms 896 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 6 ms 896 KB Output is correct
11 Correct 11 ms 1408 KB Output is correct
12 Correct 13 ms 1664 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 11 ms 1408 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 11 ms 1408 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 11 ms 1408 KB Output is correct
19 Correct 7 ms 896 KB Output is correct
20 Correct 10 ms 1152 KB Output is correct
21 Correct 8 ms 1152 KB Output is correct
22 Correct 6 ms 896 KB Output is correct
23 Correct 12 ms 1536 KB Output is correct
24 Correct 6 ms 896 KB Output is correct
25 Correct 12 ms 1536 KB Output is correct
26 Correct 11 ms 1536 KB Output is correct
27 Correct 10 ms 1408 KB Output is correct
28 Correct 12 ms 1536 KB Output is correct
29 Correct 10 ms 1408 KB Output is correct
30 Correct 13 ms 1536 KB Output is correct
31 Correct 13 ms 1536 KB Output is correct
32 Correct 13 ms 1536 KB Output is correct
33 Correct 12 ms 1664 KB Output is correct
34 Correct 14 ms 1536 KB Output is correct
35 Correct 8 ms 1024 KB Output is correct
36 Correct 8 ms 896 KB Output is correct
37 Correct 8 ms 896 KB Output is correct
38 Correct 7 ms 768 KB Output is correct
39 Correct 7 ms 768 KB Output is correct
40 Correct 16 ms 1920 KB Output is correct
41 Correct 7 ms 768 KB Output is correct
42 Correct 16 ms 1920 KB Output is correct
43 Correct 17 ms 1920 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 262 ms 21756 KB Output is correct
46 Correct 120 ms 13816 KB Output is correct
47 Correct 267 ms 21700 KB Output is correct
48 Correct 251 ms 21752 KB Output is correct
49 Correct 82 ms 11128 KB Output is correct
50 Correct 292 ms 27076 KB Output is correct
51 Correct 258 ms 21724 KB Output is correct
52 Correct 78 ms 11128 KB Output is correct
53 Correct 85 ms 11128 KB Output is correct
54 Correct 25 ms 5888 KB Output is correct
55 Correct 295 ms 27000 KB Output is correct
56 Correct 48 ms 8576 KB Output is correct
57 Correct 78 ms 11128 KB Output is correct
58 Correct 95 ms 13816 KB Output is correct
59 Correct 49 ms 8576 KB Output is correct
60 Correct 48 ms 8576 KB Output is correct
61 Correct 101 ms 13816 KB Output is correct
62 Correct 74 ms 11168 KB Output is correct
63 Correct 142 ms 15232 KB Output is correct
64 Correct 47 ms 8576 KB Output is correct
65 Correct 186 ms 17784 KB Output is correct
66 Correct 70 ms 11128 KB Output is correct
67 Correct 141 ms 15096 KB Output is correct
68 Correct 171 ms 17144 KB Output is correct
69 Correct 188 ms 17788 KB Output is correct
70 Correct 79 ms 11132 KB Output is correct
71 Correct 183 ms 17072 KB Output is correct
72 Correct 139 ms 14712 KB Output is correct
73 Correct 208 ms 19448 KB Output is correct
74 Correct 79 ms 11128 KB Output is correct
75 Correct 72 ms 8184 KB Output is correct
76 Correct 136 ms 14712 KB Output is correct
77 Correct 209 ms 19452 KB Output is correct
78 Correct 97 ms 9848 KB Output is correct
79 Correct 69 ms 8184 KB Output is correct
80 Correct 39 ms 4352 KB Output is correct
81 Correct 95 ms 9848 KB Output is correct
82 Correct 155 ms 16376 KB Output is correct
83 Correct 35 ms 4256 KB Output is correct
84 Correct 151 ms 16376 KB Output is correct