#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T>
using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
// const ll M = 998244353;
const ll M = 1e9 + 7;
#define all(v) (v).begin(), (v).end()
#define ff first
#define ss second
const ll INFL = 1e18;
const int INF = 1e9;
const int maxN = 50000;
bool dp[maxN][1<<10];
set<int> adj[maxN];
void solve() {
int n, k;
cin >> n >> k;
for (int i=0; i<n; i++) {
int d;
cin >> d;
for (int j=0; j<d; j++) {
int x;
cin >> x;
adj[i].insert(x);
}
}
vector<int> ord(n);
iota(all(ord), 0);
sort(all(ord), [](int l, int r) {
return adj[l].size() < adj[r].size();
});
int ans = 1;
for (auto i : ord) {
vector<int> cur;
for (auto v: adj[i]) cur.push_back(v);
dp[i][0] = true;
for (int msk=1; msk<1<<cur.size(); msk++) {
int p = __lg(msk);
bool ok = dp[i][msk^(1<<p)];
for (int j=0; j<p; j++) {
if (!(msk&(1<<j))) continue;
ok &= adj[cur[j]].count(cur[p]);
}
dp[i][msk] = ok;
if (ok) {
ans = max(ans, __builtin_popcount(msk)+1);
}
}
for (auto v: cur) adj[v].erase(i);
}
cout << ans << '\n';
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(NULL);
// cout << setprecision(12);
int tc = 1;
// cin >> tc;
while (tc--) solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2648 KB |
Output is correct |
3 |
Correct |
6 ms |
8284 KB |
Output is correct |
4 |
Correct |
4 ms |
8280 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
5 ms |
8284 KB |
Output is correct |
7 |
Correct |
7 ms |
8368 KB |
Output is correct |
8 |
Correct |
3 ms |
7772 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
3 ms |
7772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2648 KB |
Output is correct |
3 |
Correct |
6 ms |
8284 KB |
Output is correct |
4 |
Correct |
4 ms |
8280 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
5 ms |
8284 KB |
Output is correct |
7 |
Correct |
7 ms |
8368 KB |
Output is correct |
8 |
Correct |
3 ms |
7772 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
3 ms |
7772 KB |
Output is correct |
11 |
Correct |
5 ms |
8284 KB |
Output is correct |
12 |
Correct |
5 ms |
8284 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
5 ms |
8284 KB |
Output is correct |
15 |
Correct |
1 ms |
2652 KB |
Output is correct |
16 |
Correct |
5 ms |
8284 KB |
Output is correct |
17 |
Correct |
2 ms |
2652 KB |
Output is correct |
18 |
Correct |
5 ms |
8200 KB |
Output is correct |
19 |
Correct |
3 ms |
7772 KB |
Output is correct |
20 |
Correct |
4 ms |
8028 KB |
Output is correct |
21 |
Correct |
4 ms |
8084 KB |
Output is correct |
22 |
Correct |
3 ms |
7772 KB |
Output is correct |
23 |
Correct |
5 ms |
8472 KB |
Output is correct |
24 |
Correct |
4 ms |
7772 KB |
Output is correct |
25 |
Correct |
6 ms |
8352 KB |
Output is correct |
26 |
Correct |
6 ms |
8400 KB |
Output is correct |
27 |
Correct |
5 ms |
8204 KB |
Output is correct |
28 |
Correct |
5 ms |
8284 KB |
Output is correct |
29 |
Correct |
5 ms |
8160 KB |
Output is correct |
30 |
Correct |
6 ms |
8540 KB |
Output is correct |
31 |
Correct |
6 ms |
8284 KB |
Output is correct |
32 |
Correct |
6 ms |
8356 KB |
Output is correct |
33 |
Correct |
5 ms |
8284 KB |
Output is correct |
34 |
Correct |
6 ms |
8404 KB |
Output is correct |
35 |
Correct |
3 ms |
5468 KB |
Output is correct |
36 |
Correct |
3 ms |
5720 KB |
Output is correct |
37 |
Correct |
3 ms |
5468 KB |
Output is correct |
38 |
Correct |
2 ms |
4188 KB |
Output is correct |
39 |
Correct |
2 ms |
4188 KB |
Output is correct |
40 |
Correct |
6 ms |
8796 KB |
Output is correct |
41 |
Correct |
3 ms |
4188 KB |
Output is correct |
42 |
Correct |
8 ms |
8796 KB |
Output is correct |
43 |
Correct |
8 ms |
8772 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7772 KB |
Output is correct |
2 |
Correct |
1 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
2 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2648 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
398 ms |
74200 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
378 ms |
74204 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
400 ms |
74068 KB |
Output is correct |
16 |
Correct |
384 ms |
74008 KB |
Output is correct |
17 |
Correct |
368 ms |
74208 KB |
Output is correct |
18 |
Correct |
373 ms |
74068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2648 KB |
Output is correct |
3 |
Correct |
6 ms |
8284 KB |
Output is correct |
4 |
Correct |
4 ms |
8280 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
5 ms |
8284 KB |
Output is correct |
7 |
Correct |
7 ms |
8368 KB |
Output is correct |
8 |
Correct |
3 ms |
7772 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
3 ms |
7772 KB |
Output is correct |
11 |
Correct |
5 ms |
8284 KB |
Output is correct |
12 |
Correct |
5 ms |
8284 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
5 ms |
8284 KB |
Output is correct |
15 |
Correct |
1 ms |
2652 KB |
Output is correct |
16 |
Correct |
5 ms |
8284 KB |
Output is correct |
17 |
Correct |
2 ms |
2652 KB |
Output is correct |
18 |
Correct |
5 ms |
8200 KB |
Output is correct |
19 |
Correct |
3 ms |
7772 KB |
Output is correct |
20 |
Correct |
4 ms |
8028 KB |
Output is correct |
21 |
Correct |
4 ms |
8084 KB |
Output is correct |
22 |
Correct |
3 ms |
7772 KB |
Output is correct |
23 |
Correct |
5 ms |
8472 KB |
Output is correct |
24 |
Correct |
4 ms |
7772 KB |
Output is correct |
25 |
Correct |
6 ms |
8352 KB |
Output is correct |
26 |
Correct |
6 ms |
8400 KB |
Output is correct |
27 |
Correct |
5 ms |
8204 KB |
Output is correct |
28 |
Correct |
5 ms |
8284 KB |
Output is correct |
29 |
Correct |
5 ms |
8160 KB |
Output is correct |
30 |
Correct |
6 ms |
8540 KB |
Output is correct |
31 |
Correct |
6 ms |
8284 KB |
Output is correct |
32 |
Correct |
6 ms |
8356 KB |
Output is correct |
33 |
Correct |
5 ms |
8284 KB |
Output is correct |
34 |
Correct |
6 ms |
8404 KB |
Output is correct |
35 |
Correct |
3 ms |
5468 KB |
Output is correct |
36 |
Correct |
3 ms |
5720 KB |
Output is correct |
37 |
Correct |
3 ms |
5468 KB |
Output is correct |
38 |
Correct |
2 ms |
4188 KB |
Output is correct |
39 |
Correct |
2 ms |
4188 KB |
Output is correct |
40 |
Correct |
6 ms |
8796 KB |
Output is correct |
41 |
Correct |
3 ms |
4188 KB |
Output is correct |
42 |
Correct |
8 ms |
8796 KB |
Output is correct |
43 |
Correct |
8 ms |
8772 KB |
Output is correct |
44 |
Correct |
20 ms |
9820 KB |
Output is correct |
45 |
Correct |
1 ms |
2652 KB |
Output is correct |
46 |
Correct |
7 ms |
8796 KB |
Output is correct |
47 |
Correct |
16 ms |
9872 KB |
Output is correct |
48 |
Correct |
8 ms |
8796 KB |
Output is correct |
49 |
Correct |
17 ms |
9832 KB |
Output is correct |
50 |
Correct |
18 ms |
9820 KB |
Output is correct |
51 |
Correct |
442 ms |
11884 KB |
Output is correct |
52 |
Correct |
5 ms |
8284 KB |
Output is correct |
53 |
Correct |
139 ms |
12284 KB |
Output is correct |
54 |
Correct |
2537 ms |
27732 KB |
Output is correct |
55 |
Correct |
5 ms |
8284 KB |
Output is correct |
56 |
Correct |
4 ms |
8284 KB |
Output is correct |
57 |
Correct |
3 ms |
7772 KB |
Output is correct |
58 |
Correct |
131 ms |
12372 KB |
Output is correct |
59 |
Correct |
6 ms |
8796 KB |
Output is correct |
60 |
Correct |
5 ms |
8284 KB |
Output is correct |
61 |
Correct |
6 ms |
8796 KB |
Output is correct |
62 |
Correct |
6 ms |
8796 KB |
Output is correct |
63 |
Correct |
19 ms |
9736 KB |
Output is correct |
64 |
Correct |
13 ms |
9564 KB |
Output is correct |
65 |
Correct |
7 ms |
8540 KB |
Output is correct |
66 |
Correct |
6 ms |
8840 KB |
Output is correct |
67 |
Correct |
32 ms |
10324 KB |
Output is correct |
68 |
Correct |
13 ms |
9564 KB |
Output is correct |
69 |
Correct |
7 ms |
8540 KB |
Output is correct |
70 |
Correct |
13 ms |
9564 KB |
Output is correct |
71 |
Correct |
32 ms |
10228 KB |
Output is correct |
72 |
Correct |
28 ms |
10068 KB |
Output is correct |
73 |
Correct |
5 ms |
8284 KB |
Output is correct |
74 |
Correct |
15 ms |
9564 KB |
Output is correct |
75 |
Correct |
32 ms |
10188 KB |
Output is correct |
76 |
Correct |
12 ms |
9052 KB |
Output is correct |
77 |
Correct |
67 ms |
10548 KB |
Output is correct |
78 |
Correct |
5 ms |
8284 KB |
Output is correct |
79 |
Correct |
34 ms |
6804 KB |
Output is correct |
80 |
Correct |
11 ms |
9052 KB |
Output is correct |
81 |
Correct |
69 ms |
10712 KB |
Output is correct |
82 |
Correct |
2 ms |
4188 KB |
Output is correct |
83 |
Correct |
34 ms |
6576 KB |
Output is correct |
84 |
Correct |
39 ms |
9984 KB |
Output is correct |
85 |
Correct |
4 ms |
4188 KB |
Output is correct |
86 |
Correct |
36 ms |
10068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2648 KB |
Output is correct |
3 |
Correct |
6 ms |
8284 KB |
Output is correct |
4 |
Correct |
4 ms |
8280 KB |
Output is correct |
5 |
Correct |
4 ms |
8284 KB |
Output is correct |
6 |
Correct |
5 ms |
8284 KB |
Output is correct |
7 |
Correct |
7 ms |
8368 KB |
Output is correct |
8 |
Correct |
3 ms |
7772 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
3 ms |
7772 KB |
Output is correct |
11 |
Correct |
5 ms |
8284 KB |
Output is correct |
12 |
Correct |
5 ms |
8284 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
5 ms |
8284 KB |
Output is correct |
15 |
Correct |
1 ms |
2652 KB |
Output is correct |
16 |
Correct |
5 ms |
8284 KB |
Output is correct |
17 |
Correct |
2 ms |
2652 KB |
Output is correct |
18 |
Correct |
5 ms |
8200 KB |
Output is correct |
19 |
Correct |
3 ms |
7772 KB |
Output is correct |
20 |
Correct |
4 ms |
8028 KB |
Output is correct |
21 |
Correct |
4 ms |
8084 KB |
Output is correct |
22 |
Correct |
3 ms |
7772 KB |
Output is correct |
23 |
Correct |
5 ms |
8472 KB |
Output is correct |
24 |
Correct |
4 ms |
7772 KB |
Output is correct |
25 |
Correct |
6 ms |
8352 KB |
Output is correct |
26 |
Correct |
6 ms |
8400 KB |
Output is correct |
27 |
Correct |
5 ms |
8204 KB |
Output is correct |
28 |
Correct |
5 ms |
8284 KB |
Output is correct |
29 |
Correct |
5 ms |
8160 KB |
Output is correct |
30 |
Correct |
6 ms |
8540 KB |
Output is correct |
31 |
Correct |
6 ms |
8284 KB |
Output is correct |
32 |
Correct |
6 ms |
8356 KB |
Output is correct |
33 |
Correct |
5 ms |
8284 KB |
Output is correct |
34 |
Correct |
6 ms |
8404 KB |
Output is correct |
35 |
Correct |
3 ms |
5468 KB |
Output is correct |
36 |
Correct |
3 ms |
5720 KB |
Output is correct |
37 |
Correct |
3 ms |
5468 KB |
Output is correct |
38 |
Correct |
2 ms |
4188 KB |
Output is correct |
39 |
Correct |
2 ms |
4188 KB |
Output is correct |
40 |
Correct |
6 ms |
8796 KB |
Output is correct |
41 |
Correct |
3 ms |
4188 KB |
Output is correct |
42 |
Correct |
8 ms |
8796 KB |
Output is correct |
43 |
Correct |
8 ms |
8772 KB |
Output is correct |
44 |
Correct |
1 ms |
2652 KB |
Output is correct |
45 |
Correct |
91 ms |
68940 KB |
Output is correct |
46 |
Correct |
56 ms |
61012 KB |
Output is correct |
47 |
Correct |
100 ms |
68944 KB |
Output is correct |
48 |
Correct |
96 ms |
68948 KB |
Output is correct |
49 |
Correct |
46 ms |
58456 KB |
Output is correct |
50 |
Correct |
154 ms |
74216 KB |
Output is correct |
51 |
Correct |
105 ms |
68944 KB |
Output is correct |
52 |
Correct |
41 ms |
58348 KB |
Output is correct |
53 |
Correct |
46 ms |
58440 KB |
Output is correct |
54 |
Correct |
20 ms |
53084 KB |
Output is correct |
55 |
Correct |
126 ms |
74060 KB |
Output is correct |
56 |
Correct |
28 ms |
55636 KB |
Output is correct |
57 |
Correct |
41 ms |
58452 KB |
Output is correct |
58 |
Correct |
45 ms |
61012 KB |
Output is correct |
59 |
Correct |
28 ms |
55636 KB |
Output is correct |
60 |
Correct |
30 ms |
55832 KB |
Output is correct |
61 |
Correct |
60 ms |
60984 KB |
Output is correct |
62 |
Correct |
41 ms |
58448 KB |
Output is correct |
63 |
Correct |
55 ms |
62296 KB |
Output is correct |
64 |
Correct |
34 ms |
55620 KB |
Output is correct |
65 |
Correct |
84 ms |
64812 KB |
Output is correct |
66 |
Correct |
42 ms |
58256 KB |
Output is correct |
67 |
Correct |
59 ms |
62292 KB |
Output is correct |
68 |
Correct |
74 ms |
64340 KB |
Output is correct |
69 |
Correct |
72 ms |
64932 KB |
Output is correct |
70 |
Correct |
35 ms |
58324 KB |
Output is correct |
71 |
Correct |
70 ms |
64348 KB |
Output is correct |
72 |
Correct |
61 ms |
61780 KB |
Output is correct |
73 |
Correct |
80 ms |
66644 KB |
Output is correct |
74 |
Correct |
40 ms |
58460 KB |
Output is correct |
75 |
Correct |
29 ms |
32852 KB |
Output is correct |
76 |
Correct |
60 ms |
61780 KB |
Output is correct |
77 |
Correct |
79 ms |
66700 KB |
Output is correct |
78 |
Correct |
40 ms |
34644 KB |
Output is correct |
79 |
Correct |
38 ms |
32852 KB |
Output is correct |
80 |
Correct |
17 ms |
17756 KB |
Output is correct |
81 |
Correct |
42 ms |
34644 KB |
Output is correct |
82 |
Correct |
59 ms |
63572 KB |
Output is correct |
83 |
Correct |
17 ms |
17756 KB |
Output is correct |
84 |
Correct |
66 ms |
63572 KB |
Output is correct |