#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define fi first
#define se second
const int MX = 2e5 + 10;
int N, K, vis[MX], sz[MX]; map<pii, int> mp;
vector<int> adj[MX];
priority_queue<pii, vector<pii>, greater<pii>> pq;
int solve(int x){
vector<int> kew;
for(int nx : adj[x]){
if(vis[nx]) continue;
kew.push_back(nx);
}
int ns = kew.size(), mk = 1 << ns, ans = 0;
for(int mask = 0; mask < mk; mask++){
int num = 1;
bool curr = true;
for(int j = 0; j < ns; j++){
if((mask >> j & 1) != 1) continue;
num++;
if(!mp[make_pair(x, kew[j])]){
curr = false;
break;
}
for(int k = j + 1; k < ns; k++){
if((mask >> k & 1) != 1) continue;
if(!mp[make_pair(kew[k], kew[j])]){
curr = false;
break;
}
}
}
if(curr) ans = max(ans, num);
}
return ans;
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> N >> K;
for(int i = 0; i < N; i++){
int v; cin >> sz[i];
for(int j = 0; j < sz[i]; j++){
cin >> v;
adj[i].push_back(v);
mp[make_pair(i, v)] = 1;
}
}
for(int i = 0; i < N; i++) pq.push({sz[i], i});
int mx = 1;
for(;!pq.empty();){
int curr = pq.top().se; pq.pop();
if(vis[curr]) continue;
mx = max(mx, solve(curr));
vis[curr] = 1;
for(int nx : adj[curr]){
if(!vis[nx]){
sz[nx]--;
pq.push({sz[nx], nx});
}
}
}
cout << mx << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5024 KB |
Output is correct |
3 |
Correct |
9 ms |
6028 KB |
Output is correct |
4 |
Correct |
8 ms |
5972 KB |
Output is correct |
5 |
Correct |
7 ms |
6044 KB |
Output is correct |
6 |
Correct |
8 ms |
6040 KB |
Output is correct |
7 |
Correct |
7 ms |
5936 KB |
Output is correct |
8 |
Correct |
4 ms |
5076 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5076 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5024 KB |
Output is correct |
3 |
Correct |
9 ms |
6028 KB |
Output is correct |
4 |
Correct |
8 ms |
5972 KB |
Output is correct |
5 |
Correct |
7 ms |
6044 KB |
Output is correct |
6 |
Correct |
8 ms |
6040 KB |
Output is correct |
7 |
Correct |
7 ms |
5936 KB |
Output is correct |
8 |
Correct |
4 ms |
5076 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5076 KB |
Output is correct |
11 |
Correct |
8 ms |
5972 KB |
Output is correct |
12 |
Correct |
8 ms |
5972 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
8 ms |
5936 KB |
Output is correct |
15 |
Correct |
3 ms |
5028 KB |
Output is correct |
16 |
Correct |
7 ms |
5972 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
7 ms |
5972 KB |
Output is correct |
19 |
Correct |
3 ms |
5076 KB |
Output is correct |
20 |
Correct |
5 ms |
5588 KB |
Output is correct |
21 |
Correct |
6 ms |
5588 KB |
Output is correct |
22 |
Correct |
4 ms |
5196 KB |
Output is correct |
23 |
Correct |
10 ms |
6172 KB |
Output is correct |
24 |
Correct |
4 ms |
5168 KB |
Output is correct |
25 |
Correct |
11 ms |
6232 KB |
Output is correct |
26 |
Correct |
10 ms |
6068 KB |
Output is correct |
27 |
Correct |
7 ms |
5972 KB |
Output is correct |
28 |
Correct |
9 ms |
6100 KB |
Output is correct |
29 |
Correct |
7 ms |
5940 KB |
Output is correct |
30 |
Correct |
10 ms |
6228 KB |
Output is correct |
31 |
Correct |
11 ms |
6228 KB |
Output is correct |
32 |
Correct |
9 ms |
6228 KB |
Output is correct |
33 |
Correct |
9 ms |
6228 KB |
Output is correct |
34 |
Correct |
10 ms |
6280 KB |
Output is correct |
35 |
Correct |
7 ms |
5588 KB |
Output is correct |
36 |
Correct |
7 ms |
5588 KB |
Output is correct |
37 |
Correct |
7 ms |
5636 KB |
Output is correct |
38 |
Correct |
5 ms |
5460 KB |
Output is correct |
39 |
Correct |
6 ms |
5420 KB |
Output is correct |
40 |
Correct |
15 ms |
6996 KB |
Output is correct |
41 |
Correct |
6 ms |
5460 KB |
Output is correct |
42 |
Correct |
15 ms |
6996 KB |
Output is correct |
43 |
Correct |
15 ms |
6996 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
5028 KB |
Output is correct |
4 |
Correct |
4 ms |
5024 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
4 ms |
5024 KB |
Output is correct |
7 |
Correct |
4 ms |
4936 KB |
Output is correct |
8 |
Correct |
4 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
5032 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
1122 ms |
70396 KB |
Output is correct |
12 |
Correct |
3 ms |
4948 KB |
Output is correct |
13 |
Correct |
1135 ms |
70264 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
1175 ms |
70212 KB |
Output is correct |
16 |
Correct |
1159 ms |
70356 KB |
Output is correct |
17 |
Correct |
1169 ms |
70240 KB |
Output is correct |
18 |
Correct |
1101 ms |
70176 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5024 KB |
Output is correct |
3 |
Correct |
9 ms |
6028 KB |
Output is correct |
4 |
Correct |
8 ms |
5972 KB |
Output is correct |
5 |
Correct |
7 ms |
6044 KB |
Output is correct |
6 |
Correct |
8 ms |
6040 KB |
Output is correct |
7 |
Correct |
7 ms |
5936 KB |
Output is correct |
8 |
Correct |
4 ms |
5076 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5076 KB |
Output is correct |
11 |
Correct |
8 ms |
5972 KB |
Output is correct |
12 |
Correct |
8 ms |
5972 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
8 ms |
5936 KB |
Output is correct |
15 |
Correct |
3 ms |
5028 KB |
Output is correct |
16 |
Correct |
7 ms |
5972 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
7 ms |
5972 KB |
Output is correct |
19 |
Correct |
3 ms |
5076 KB |
Output is correct |
20 |
Correct |
5 ms |
5588 KB |
Output is correct |
21 |
Correct |
6 ms |
5588 KB |
Output is correct |
22 |
Correct |
4 ms |
5196 KB |
Output is correct |
23 |
Correct |
10 ms |
6172 KB |
Output is correct |
24 |
Correct |
4 ms |
5168 KB |
Output is correct |
25 |
Correct |
11 ms |
6232 KB |
Output is correct |
26 |
Correct |
10 ms |
6068 KB |
Output is correct |
27 |
Correct |
7 ms |
5972 KB |
Output is correct |
28 |
Correct |
9 ms |
6100 KB |
Output is correct |
29 |
Correct |
7 ms |
5940 KB |
Output is correct |
30 |
Correct |
10 ms |
6228 KB |
Output is correct |
31 |
Correct |
11 ms |
6228 KB |
Output is correct |
32 |
Correct |
9 ms |
6228 KB |
Output is correct |
33 |
Correct |
9 ms |
6228 KB |
Output is correct |
34 |
Correct |
10 ms |
6280 KB |
Output is correct |
35 |
Correct |
7 ms |
5588 KB |
Output is correct |
36 |
Correct |
7 ms |
5588 KB |
Output is correct |
37 |
Correct |
7 ms |
5636 KB |
Output is correct |
38 |
Correct |
5 ms |
5460 KB |
Output is correct |
39 |
Correct |
6 ms |
5420 KB |
Output is correct |
40 |
Correct |
15 ms |
6996 KB |
Output is correct |
41 |
Correct |
6 ms |
5460 KB |
Output is correct |
42 |
Correct |
15 ms |
6996 KB |
Output is correct |
43 |
Correct |
15 ms |
6996 KB |
Output is correct |
44 |
Correct |
138 ms |
8096 KB |
Output is correct |
45 |
Correct |
3 ms |
4948 KB |
Output is correct |
46 |
Correct |
16 ms |
7032 KB |
Output is correct |
47 |
Correct |
64 ms |
9964 KB |
Output is correct |
48 |
Correct |
16 ms |
6960 KB |
Output is correct |
49 |
Correct |
49 ms |
10020 KB |
Output is correct |
50 |
Correct |
56 ms |
10020 KB |
Output is correct |
51 |
Correct |
511 ms |
19700 KB |
Output is correct |
52 |
Correct |
7 ms |
5972 KB |
Output is correct |
53 |
Correct |
893 ms |
12376 KB |
Output is correct |
54 |
Correct |
1014 ms |
22844 KB |
Output is correct |
55 |
Correct |
7 ms |
5972 KB |
Output is correct |
56 |
Correct |
8 ms |
5972 KB |
Output is correct |
57 |
Correct |
3 ms |
5076 KB |
Output is correct |
58 |
Correct |
900 ms |
12360 KB |
Output is correct |
59 |
Correct |
18 ms |
6572 KB |
Output is correct |
60 |
Correct |
8 ms |
5932 KB |
Output is correct |
61 |
Correct |
17 ms |
6632 KB |
Output is correct |
62 |
Correct |
17 ms |
6692 KB |
Output is correct |
63 |
Correct |
149 ms |
8020 KB |
Output is correct |
64 |
Correct |
69 ms |
7764 KB |
Output is correct |
65 |
Correct |
15 ms |
6768 KB |
Output is correct |
66 |
Correct |
16 ms |
6580 KB |
Output is correct |
67 |
Correct |
118 ms |
11392 KB |
Output is correct |
68 |
Correct |
93 ms |
7760 KB |
Output is correct |
69 |
Correct |
14 ms |
6764 KB |
Output is correct |
70 |
Correct |
71 ms |
9228 KB |
Output is correct |
71 |
Correct |
109 ms |
11280 KB |
Output is correct |
72 |
Correct |
97 ms |
11044 KB |
Output is correct |
73 |
Correct |
8 ms |
5972 KB |
Output is correct |
74 |
Correct |
46 ms |
9312 KB |
Output is correct |
75 |
Correct |
96 ms |
11120 KB |
Output is correct |
76 |
Correct |
31 ms |
7756 KB |
Output is correct |
77 |
Correct |
190 ms |
14152 KB |
Output is correct |
78 |
Correct |
7 ms |
5932 KB |
Output is correct |
79 |
Correct |
91 ms |
9596 KB |
Output is correct |
80 |
Correct |
25 ms |
7864 KB |
Output is correct |
81 |
Correct |
188 ms |
14260 KB |
Output is correct |
82 |
Correct |
5 ms |
5460 KB |
Output is correct |
83 |
Correct |
91 ms |
9540 KB |
Output is correct |
84 |
Correct |
87 ms |
11468 KB |
Output is correct |
85 |
Correct |
5 ms |
5416 KB |
Output is correct |
86 |
Correct |
106 ms |
11464 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5024 KB |
Output is correct |
3 |
Correct |
9 ms |
6028 KB |
Output is correct |
4 |
Correct |
8 ms |
5972 KB |
Output is correct |
5 |
Correct |
7 ms |
6044 KB |
Output is correct |
6 |
Correct |
8 ms |
6040 KB |
Output is correct |
7 |
Correct |
7 ms |
5936 KB |
Output is correct |
8 |
Correct |
4 ms |
5076 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5076 KB |
Output is correct |
11 |
Correct |
8 ms |
5972 KB |
Output is correct |
12 |
Correct |
8 ms |
5972 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
8 ms |
5936 KB |
Output is correct |
15 |
Correct |
3 ms |
5028 KB |
Output is correct |
16 |
Correct |
7 ms |
5972 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
7 ms |
5972 KB |
Output is correct |
19 |
Correct |
3 ms |
5076 KB |
Output is correct |
20 |
Correct |
5 ms |
5588 KB |
Output is correct |
21 |
Correct |
6 ms |
5588 KB |
Output is correct |
22 |
Correct |
4 ms |
5196 KB |
Output is correct |
23 |
Correct |
10 ms |
6172 KB |
Output is correct |
24 |
Correct |
4 ms |
5168 KB |
Output is correct |
25 |
Correct |
11 ms |
6232 KB |
Output is correct |
26 |
Correct |
10 ms |
6068 KB |
Output is correct |
27 |
Correct |
7 ms |
5972 KB |
Output is correct |
28 |
Correct |
9 ms |
6100 KB |
Output is correct |
29 |
Correct |
7 ms |
5940 KB |
Output is correct |
30 |
Correct |
10 ms |
6228 KB |
Output is correct |
31 |
Correct |
11 ms |
6228 KB |
Output is correct |
32 |
Correct |
9 ms |
6228 KB |
Output is correct |
33 |
Correct |
9 ms |
6228 KB |
Output is correct |
34 |
Correct |
10 ms |
6280 KB |
Output is correct |
35 |
Correct |
7 ms |
5588 KB |
Output is correct |
36 |
Correct |
7 ms |
5588 KB |
Output is correct |
37 |
Correct |
7 ms |
5636 KB |
Output is correct |
38 |
Correct |
5 ms |
5460 KB |
Output is correct |
39 |
Correct |
6 ms |
5420 KB |
Output is correct |
40 |
Correct |
15 ms |
6996 KB |
Output is correct |
41 |
Correct |
6 ms |
5460 KB |
Output is correct |
42 |
Correct |
15 ms |
6996 KB |
Output is correct |
43 |
Correct |
15 ms |
6996 KB |
Output is correct |
44 |
Correct |
4 ms |
5024 KB |
Output is correct |
45 |
Correct |
369 ms |
38864 KB |
Output is correct |
46 |
Correct |
131 ms |
18920 KB |
Output is correct |
47 |
Correct |
376 ms |
39308 KB |
Output is correct |
48 |
Correct |
354 ms |
38940 KB |
Output is correct |
49 |
Correct |
61 ms |
14748 KB |
Output is correct |
50 |
Correct |
375 ms |
37372 KB |
Output is correct |
51 |
Correct |
379 ms |
39136 KB |
Output is correct |
52 |
Correct |
51 ms |
14604 KB |
Output is correct |
53 |
Correct |
63 ms |
14748 KB |
Output is correct |
54 |
Correct |
10 ms |
5976 KB |
Output is correct |
55 |
Correct |
352 ms |
37364 KB |
Output is correct |
56 |
Correct |
34 ms |
10948 KB |
Output is correct |
57 |
Correct |
50 ms |
14608 KB |
Output is correct |
58 |
Correct |
116 ms |
17796 KB |
Output is correct |
59 |
Correct |
35 ms |
10984 KB |
Output is correct |
60 |
Correct |
33 ms |
10988 KB |
Output is correct |
61 |
Correct |
108 ms |
17844 KB |
Output is correct |
62 |
Correct |
66 ms |
14312 KB |
Output is correct |
63 |
Correct |
147 ms |
21920 KB |
Output is correct |
64 |
Correct |
35 ms |
10916 KB |
Output is correct |
65 |
Correct |
227 ms |
27964 KB |
Output is correct |
66 |
Correct |
88 ms |
14484 KB |
Output is correct |
67 |
Correct |
154 ms |
21912 KB |
Output is correct |
68 |
Correct |
199 ms |
26712 KB |
Output is correct |
69 |
Correct |
263 ms |
28068 KB |
Output is correct |
70 |
Correct |
74 ms |
14412 KB |
Output is correct |
71 |
Correct |
197 ms |
26804 KB |
Output is correct |
72 |
Correct |
132 ms |
21284 KB |
Output is correct |
73 |
Correct |
310 ms |
33024 KB |
Output is correct |
74 |
Correct |
65 ms |
14348 KB |
Output is correct |
75 |
Correct |
80 ms |
14668 KB |
Output is correct |
76 |
Correct |
133 ms |
21268 KB |
Output is correct |
77 |
Correct |
286 ms |
32972 KB |
Output is correct |
78 |
Correct |
144 ms |
18924 KB |
Output is correct |
79 |
Correct |
80 ms |
14712 KB |
Output is correct |
80 |
Correct |
32 ms |
9900 KB |
Output is correct |
81 |
Correct |
131 ms |
18920 KB |
Output is correct |
82 |
Correct |
209 ms |
25152 KB |
Output is correct |
83 |
Correct |
33 ms |
9804 KB |
Output is correct |
84 |
Correct |
182 ms |
25172 KB |
Output is correct |