#include <bits/stdc++.h>
using namespace std;
const int nmax = 5e4 + 2;
set<int> adj[nmax];
bitset<nmax> f[nmax];
int ans = 0;
void calc(int i) {
for(int bit = 0; bit < (1 << adj[i].size()); bit++) {
vector<int> v;
auto pl = adj[i].begin();
for(int x = 0; (1 << x) <= bit; x++) {
if(bit & (1 << x)) {
v.push_back(*pl);
}
pl++;
}
v.push_back(i);
bool ok = 1;
for(auto it : v) {
for(auto it2 : v) {
if(it != it2 && f[it][it2] == 0) {
ok = 0;
break;
}
}
if(!ok) {
break;
}
}
if(ok) {
ans = max(ans, (int) v.size());
}
}
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, k;
cin >> n >> k;
for(int i = 1; i <= n; i++) {
int d;
cin >> d;
while(d--) {
int j;
cin >> j;
j++;
adj[i].insert(j);
f[i][j] = 1;
}
}
set<pair<int, int>> noduri;
for(int i = 1; i <= n; i++) {
noduri.insert({adj[i].size(), i});
}
for(int _ = 1; _ <= n; _++) {
pair<int, int> top = *noduri.begin();
int i = top.second;
calc(i);
// cout << i << " ";
noduri.erase({adj[i].size(), i});
for(auto it : adj[i]) {
noduri.erase({adj[it].size(), it});
adj[it].erase(i);
noduri.insert({adj[it].size(), it});
}
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2896 KB |
Output is correct |
2 |
Correct |
2 ms |
2896 KB |
Output is correct |
3 |
Correct |
8 ms |
34384 KB |
Output is correct |
4 |
Correct |
8 ms |
34384 KB |
Output is correct |
5 |
Correct |
8 ms |
34544 KB |
Output is correct |
6 |
Correct |
11 ms |
34384 KB |
Output is correct |
7 |
Correct |
9 ms |
34396 KB |
Output is correct |
8 |
Correct |
3 ms |
3152 KB |
Output is correct |
9 |
Correct |
1 ms |
2896 KB |
Output is correct |
10 |
Correct |
3 ms |
7248 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2896 KB |
Output is correct |
2 |
Correct |
2 ms |
2896 KB |
Output is correct |
3 |
Correct |
8 ms |
34384 KB |
Output is correct |
4 |
Correct |
8 ms |
34384 KB |
Output is correct |
5 |
Correct |
8 ms |
34544 KB |
Output is correct |
6 |
Correct |
11 ms |
34384 KB |
Output is correct |
7 |
Correct |
9 ms |
34396 KB |
Output is correct |
8 |
Correct |
3 ms |
3152 KB |
Output is correct |
9 |
Correct |
1 ms |
2896 KB |
Output is correct |
10 |
Correct |
3 ms |
7248 KB |
Output is correct |
11 |
Correct |
8 ms |
34552 KB |
Output is correct |
12 |
Correct |
8 ms |
34552 KB |
Output is correct |
13 |
Correct |
2 ms |
2896 KB |
Output is correct |
14 |
Correct |
8 ms |
34384 KB |
Output is correct |
15 |
Correct |
1 ms |
2896 KB |
Output is correct |
16 |
Correct |
8 ms |
34396 KB |
Output is correct |
17 |
Correct |
1 ms |
2740 KB |
Output is correct |
18 |
Correct |
10 ms |
34384 KB |
Output is correct |
19 |
Correct |
3 ms |
3152 KB |
Output is correct |
20 |
Correct |
7 ms |
34300 KB |
Output is correct |
21 |
Correct |
6 ms |
34236 KB |
Output is correct |
22 |
Correct |
3 ms |
7248 KB |
Output is correct |
23 |
Correct |
10 ms |
34640 KB |
Output is correct |
24 |
Correct |
3 ms |
7248 KB |
Output is correct |
25 |
Correct |
10 ms |
34832 KB |
Output is correct |
26 |
Correct |
9 ms |
34384 KB |
Output is correct |
27 |
Correct |
8 ms |
34572 KB |
Output is correct |
28 |
Correct |
9 ms |
34384 KB |
Output is correct |
29 |
Correct |
8 ms |
34384 KB |
Output is correct |
30 |
Correct |
10 ms |
34640 KB |
Output is correct |
31 |
Correct |
10 ms |
34808 KB |
Output is correct |
32 |
Correct |
11 ms |
34640 KB |
Output is correct |
33 |
Correct |
10 ms |
34652 KB |
Output is correct |
34 |
Correct |
10 ms |
34640 KB |
Output is correct |
35 |
Correct |
6 ms |
19792 KB |
Output is correct |
36 |
Correct |
5 ms |
19792 KB |
Output is correct |
37 |
Correct |
6 ms |
19792 KB |
Output is correct |
38 |
Correct |
4 ms |
11572 KB |
Output is correct |
39 |
Correct |
4 ms |
11344 KB |
Output is correct |
40 |
Correct |
13 ms |
34896 KB |
Output is correct |
41 |
Correct |
4 ms |
11344 KB |
Output is correct |
42 |
Correct |
13 ms |
34896 KB |
Output is correct |
43 |
Correct |
13 ms |
34896 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
3152 KB |
Output is correct |
2 |
Correct |
2 ms |
2896 KB |
Output is correct |
3 |
Correct |
1 ms |
2896 KB |
Output is correct |
4 |
Correct |
1 ms |
2896 KB |
Output is correct |
5 |
Correct |
1 ms |
2896 KB |
Output is correct |
6 |
Correct |
1 ms |
2896 KB |
Output is correct |
7 |
Correct |
1 ms |
2896 KB |
Output is correct |
8 |
Correct |
1 ms |
2896 KB |
Output is correct |
9 |
Correct |
1 ms |
2896 KB |
Output is correct |
10 |
Correct |
1 ms |
2896 KB |
Output is correct |
11 |
Correct |
608 ms |
332276 KB |
Output is correct |
12 |
Correct |
2 ms |
2896 KB |
Output is correct |
13 |
Correct |
711 ms |
332184 KB |
Output is correct |
14 |
Correct |
1 ms |
2896 KB |
Output is correct |
15 |
Correct |
674 ms |
332204 KB |
Output is correct |
16 |
Correct |
666 ms |
332284 KB |
Output is correct |
17 |
Correct |
600 ms |
333672 KB |
Output is correct |
18 |
Correct |
575 ms |
333640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2896 KB |
Output is correct |
2 |
Correct |
2 ms |
2896 KB |
Output is correct |
3 |
Correct |
8 ms |
34384 KB |
Output is correct |
4 |
Correct |
8 ms |
34384 KB |
Output is correct |
5 |
Correct |
8 ms |
34544 KB |
Output is correct |
6 |
Correct |
11 ms |
34384 KB |
Output is correct |
7 |
Correct |
9 ms |
34396 KB |
Output is correct |
8 |
Correct |
3 ms |
3152 KB |
Output is correct |
9 |
Correct |
1 ms |
2896 KB |
Output is correct |
10 |
Correct |
3 ms |
7248 KB |
Output is correct |
11 |
Correct |
8 ms |
34552 KB |
Output is correct |
12 |
Correct |
8 ms |
34552 KB |
Output is correct |
13 |
Correct |
2 ms |
2896 KB |
Output is correct |
14 |
Correct |
8 ms |
34384 KB |
Output is correct |
15 |
Correct |
1 ms |
2896 KB |
Output is correct |
16 |
Correct |
8 ms |
34396 KB |
Output is correct |
17 |
Correct |
1 ms |
2740 KB |
Output is correct |
18 |
Correct |
10 ms |
34384 KB |
Output is correct |
19 |
Correct |
3 ms |
3152 KB |
Output is correct |
20 |
Correct |
7 ms |
34300 KB |
Output is correct |
21 |
Correct |
6 ms |
34236 KB |
Output is correct |
22 |
Correct |
3 ms |
7248 KB |
Output is correct |
23 |
Correct |
10 ms |
34640 KB |
Output is correct |
24 |
Correct |
3 ms |
7248 KB |
Output is correct |
25 |
Correct |
10 ms |
34832 KB |
Output is correct |
26 |
Correct |
9 ms |
34384 KB |
Output is correct |
27 |
Correct |
8 ms |
34572 KB |
Output is correct |
28 |
Correct |
9 ms |
34384 KB |
Output is correct |
29 |
Correct |
8 ms |
34384 KB |
Output is correct |
30 |
Correct |
10 ms |
34640 KB |
Output is correct |
31 |
Correct |
10 ms |
34808 KB |
Output is correct |
32 |
Correct |
11 ms |
34640 KB |
Output is correct |
33 |
Correct |
10 ms |
34652 KB |
Output is correct |
34 |
Correct |
10 ms |
34640 KB |
Output is correct |
35 |
Correct |
6 ms |
19792 KB |
Output is correct |
36 |
Correct |
5 ms |
19792 KB |
Output is correct |
37 |
Correct |
6 ms |
19792 KB |
Output is correct |
38 |
Correct |
4 ms |
11572 KB |
Output is correct |
39 |
Correct |
4 ms |
11344 KB |
Output is correct |
40 |
Correct |
13 ms |
34896 KB |
Output is correct |
41 |
Correct |
4 ms |
11344 KB |
Output is correct |
42 |
Correct |
13 ms |
34896 KB |
Output is correct |
43 |
Correct |
13 ms |
34896 KB |
Output is correct |
44 |
Correct |
49 ms |
36176 KB |
Output is correct |
45 |
Correct |
2 ms |
2896 KB |
Output is correct |
46 |
Correct |
12 ms |
34980 KB |
Output is correct |
47 |
Correct |
24 ms |
36188 KB |
Output is correct |
48 |
Correct |
12 ms |
34896 KB |
Output is correct |
49 |
Correct |
25 ms |
36188 KB |
Output is correct |
50 |
Correct |
25 ms |
35920 KB |
Output is correct |
51 |
Correct |
194 ms |
37712 KB |
Output is correct |
52 |
Correct |
9 ms |
34384 KB |
Output is correct |
53 |
Correct |
291 ms |
38648 KB |
Output is correct |
54 |
Correct |
344 ms |
38736 KB |
Output is correct |
55 |
Correct |
9 ms |
34384 KB |
Output is correct |
56 |
Correct |
9 ms |
34384 KB |
Output is correct |
57 |
Correct |
3 ms |
3404 KB |
Output is correct |
58 |
Correct |
286 ms |
38736 KB |
Output is correct |
59 |
Correct |
15 ms |
35152 KB |
Output is correct |
60 |
Correct |
9 ms |
34384 KB |
Output is correct |
61 |
Correct |
13 ms |
34896 KB |
Output is correct |
62 |
Correct |
13 ms |
34896 KB |
Output is correct |
63 |
Correct |
52 ms |
36192 KB |
Output is correct |
64 |
Correct |
33 ms |
35920 KB |
Output is correct |
65 |
Correct |
13 ms |
34896 KB |
Output is correct |
66 |
Correct |
12 ms |
35152 KB |
Output is correct |
67 |
Correct |
46 ms |
36432 KB |
Output is correct |
68 |
Correct |
32 ms |
35672 KB |
Output is correct |
69 |
Correct |
12 ms |
34896 KB |
Output is correct |
70 |
Correct |
23 ms |
35920 KB |
Output is correct |
71 |
Correct |
45 ms |
36432 KB |
Output is correct |
72 |
Correct |
36 ms |
36432 KB |
Output is correct |
73 |
Correct |
8 ms |
34640 KB |
Output is correct |
74 |
Correct |
22 ms |
35920 KB |
Output is correct |
75 |
Correct |
39 ms |
36432 KB |
Output is correct |
76 |
Correct |
16 ms |
35408 KB |
Output is correct |
77 |
Correct |
84 ms |
37072 KB |
Output is correct |
78 |
Correct |
8 ms |
34384 KB |
Output is correct |
79 |
Correct |
35 ms |
21072 KB |
Output is correct |
80 |
Correct |
16 ms |
35408 KB |
Output is correct |
81 |
Correct |
74 ms |
36944 KB |
Output is correct |
82 |
Correct |
4 ms |
11516 KB |
Output is correct |
83 |
Correct |
38 ms |
21240 KB |
Output is correct |
84 |
Correct |
39 ms |
36604 KB |
Output is correct |
85 |
Correct |
4 ms |
11344 KB |
Output is correct |
86 |
Correct |
38 ms |
36432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2896 KB |
Output is correct |
2 |
Correct |
2 ms |
2896 KB |
Output is correct |
3 |
Correct |
8 ms |
34384 KB |
Output is correct |
4 |
Correct |
8 ms |
34384 KB |
Output is correct |
5 |
Correct |
8 ms |
34544 KB |
Output is correct |
6 |
Correct |
11 ms |
34384 KB |
Output is correct |
7 |
Correct |
9 ms |
34396 KB |
Output is correct |
8 |
Correct |
3 ms |
3152 KB |
Output is correct |
9 |
Correct |
1 ms |
2896 KB |
Output is correct |
10 |
Correct |
3 ms |
7248 KB |
Output is correct |
11 |
Correct |
8 ms |
34552 KB |
Output is correct |
12 |
Correct |
8 ms |
34552 KB |
Output is correct |
13 |
Correct |
2 ms |
2896 KB |
Output is correct |
14 |
Correct |
8 ms |
34384 KB |
Output is correct |
15 |
Correct |
1 ms |
2896 KB |
Output is correct |
16 |
Correct |
8 ms |
34396 KB |
Output is correct |
17 |
Correct |
1 ms |
2740 KB |
Output is correct |
18 |
Correct |
10 ms |
34384 KB |
Output is correct |
19 |
Correct |
3 ms |
3152 KB |
Output is correct |
20 |
Correct |
7 ms |
34300 KB |
Output is correct |
21 |
Correct |
6 ms |
34236 KB |
Output is correct |
22 |
Correct |
3 ms |
7248 KB |
Output is correct |
23 |
Correct |
10 ms |
34640 KB |
Output is correct |
24 |
Correct |
3 ms |
7248 KB |
Output is correct |
25 |
Correct |
10 ms |
34832 KB |
Output is correct |
26 |
Correct |
9 ms |
34384 KB |
Output is correct |
27 |
Correct |
8 ms |
34572 KB |
Output is correct |
28 |
Correct |
9 ms |
34384 KB |
Output is correct |
29 |
Correct |
8 ms |
34384 KB |
Output is correct |
30 |
Correct |
10 ms |
34640 KB |
Output is correct |
31 |
Correct |
10 ms |
34808 KB |
Output is correct |
32 |
Correct |
11 ms |
34640 KB |
Output is correct |
33 |
Correct |
10 ms |
34652 KB |
Output is correct |
34 |
Correct |
10 ms |
34640 KB |
Output is correct |
35 |
Correct |
6 ms |
19792 KB |
Output is correct |
36 |
Correct |
5 ms |
19792 KB |
Output is correct |
37 |
Correct |
6 ms |
19792 KB |
Output is correct |
38 |
Correct |
4 ms |
11572 KB |
Output is correct |
39 |
Correct |
4 ms |
11344 KB |
Output is correct |
40 |
Correct |
13 ms |
34896 KB |
Output is correct |
41 |
Correct |
4 ms |
11344 KB |
Output is correct |
42 |
Correct |
13 ms |
34896 KB |
Output is correct |
43 |
Correct |
13 ms |
34896 KB |
Output is correct |
44 |
Correct |
1 ms |
2896 KB |
Output is correct |
45 |
Correct |
380 ms |
321792 KB |
Output is correct |
46 |
Correct |
221 ms |
293960 KB |
Output is correct |
47 |
Correct |
350 ms |
322376 KB |
Output is correct |
48 |
Correct |
369 ms |
322888 KB |
Output is correct |
49 |
Correct |
154 ms |
242388 KB |
Output is correct |
50 |
Correct |
360 ms |
332220 KB |
Output is correct |
51 |
Correct |
390 ms |
322432 KB |
Output is correct |
52 |
Correct |
148 ms |
232264 KB |
Output is correct |
53 |
Correct |
152 ms |
242760 KB |
Output is correct |
54 |
Correct |
13 ms |
5196 KB |
Output is correct |
55 |
Correct |
371 ms |
332356 KB |
Output is correct |
56 |
Correct |
128 ms |
224396 KB |
Output is correct |
57 |
Correct |
155 ms |
227880 KB |
Output is correct |
58 |
Correct |
198 ms |
304412 KB |
Output is correct |
59 |
Correct |
124 ms |
227712 KB |
Output is correct |
60 |
Correct |
119 ms |
225792 KB |
Output is correct |
61 |
Correct |
194 ms |
304468 KB |
Output is correct |
62 |
Correct |
162 ms |
281416 KB |
Output is correct |
63 |
Correct |
230 ms |
301652 KB |
Output is correct |
64 |
Correct |
117 ms |
224812 KB |
Output is correct |
65 |
Correct |
278 ms |
310792 KB |
Output is correct |
66 |
Correct |
170 ms |
281624 KB |
Output is correct |
67 |
Correct |
251 ms |
301640 KB |
Output is correct |
68 |
Correct |
286 ms |
309320 KB |
Output is correct |
69 |
Correct |
301 ms |
312032 KB |
Output is correct |
70 |
Correct |
200 ms |
282440 KB |
Output is correct |
71 |
Correct |
278 ms |
310268 KB |
Output is correct |
72 |
Correct |
250 ms |
295240 KB |
Output is correct |
73 |
Correct |
312 ms |
321684 KB |
Output is correct |
74 |
Correct |
176 ms |
283192 KB |
Output is correct |
75 |
Correct |
99 ms |
156324 KB |
Output is correct |
76 |
Correct |
216 ms |
290120 KB |
Output is correct |
77 |
Correct |
319 ms |
321864 KB |
Output is correct |
78 |
Correct |
122 ms |
160148 KB |
Output is correct |
79 |
Correct |
117 ms |
155976 KB |
Output is correct |
80 |
Correct |
32 ms |
80712 KB |
Output is correct |
81 |
Correct |
137 ms |
159420 KB |
Output is correct |
82 |
Correct |
299 ms |
314572 KB |
Output is correct |
83 |
Correct |
35 ms |
80208 KB |
Output is correct |
84 |
Correct |
283 ms |
315464 KB |
Output is correct |