#include <bits/stdc++.h>
using namespace std;
const int N=50000+7;
int n;
int k;
int sol;
vector<int> g[N];
set<pair<int,int>> s;
void del(int x)
{
for (auto &i : g[x])
{
vector<int> gnew_i;
for (auto &y : g[i])
{
if (y!=x)
gnew_i.push_back(y);
}
s.erase({(int) g[i].size(),i});
s.insert({(int) g[i].size()-1,i});
g[i]=gnew_i;
}
g[x].clear();
}
bool on[N];
int sum[N];
int cur;
void bkt(int node)
{
cur++;
for (auto &it : g[node])
sum[it]++;
on[node]=1;
if (cur>sol)
sol=cur;
int possible=0;
for (auto &x : g[node])
{
if (on[x]==0&&sum[x]==cur)
{
possible++;
}
}
if (cur+possible<=sol)
{
on[node]=0;
cur--;
for (auto &it : g[node])
sum[it]--;
return;
}
for (auto &x : g[node])
{
if (on[x]==0&&sum[x]==cur)
{
bkt(x);
}
}
on[node]=0;
cur--;
for (auto &it : g[node])
sum[it]--;
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cin>>n>>k;
for (int i=0;i<n;i++)
{
int l;
cin>>l;
for (int j=1;j<=l;j++)
{
int x;
cin>>x;
g[i].push_back(x);
}
sort(g[i].begin(),g[i].end());
s.insert({(int)g[i].size(),i});
}
while (!s.empty())
{
auto it=*s.begin();
s.erase(it);
int node=it.second;
bkt(node);
del(node);
}
cout<<sol<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
7 ms |
1920 KB |
Output is correct |
4 |
Correct |
57 ms |
2168 KB |
Output is correct |
5 |
Correct |
57 ms |
2048 KB |
Output is correct |
6 |
Correct |
9 ms |
2048 KB |
Output is correct |
7 |
Correct |
9 ms |
1920 KB |
Output is correct |
8 |
Correct |
3 ms |
1792 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
3 ms |
1792 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
7 ms |
1920 KB |
Output is correct |
4 |
Correct |
57 ms |
2168 KB |
Output is correct |
5 |
Correct |
57 ms |
2048 KB |
Output is correct |
6 |
Correct |
9 ms |
2048 KB |
Output is correct |
7 |
Correct |
9 ms |
1920 KB |
Output is correct |
8 |
Correct |
3 ms |
1792 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
3 ms |
1792 KB |
Output is correct |
11 |
Correct |
58 ms |
2072 KB |
Output is correct |
12 |
Correct |
56 ms |
2048 KB |
Output is correct |
13 |
Correct |
1 ms |
1536 KB |
Output is correct |
14 |
Correct |
59 ms |
2100 KB |
Output is correct |
15 |
Correct |
2 ms |
1536 KB |
Output is correct |
16 |
Correct |
9 ms |
2048 KB |
Output is correct |
17 |
Correct |
1 ms |
1536 KB |
Output is correct |
18 |
Correct |
9 ms |
2048 KB |
Output is correct |
19 |
Correct |
3 ms |
1792 KB |
Output is correct |
20 |
Correct |
4 ms |
1920 KB |
Output is correct |
21 |
Correct |
5 ms |
1920 KB |
Output is correct |
22 |
Correct |
3 ms |
1792 KB |
Output is correct |
23 |
Correct |
8 ms |
2048 KB |
Output is correct |
24 |
Correct |
3 ms |
1792 KB |
Output is correct |
25 |
Correct |
8 ms |
2176 KB |
Output is correct |
26 |
Correct |
8 ms |
2048 KB |
Output is correct |
27 |
Correct |
6 ms |
2048 KB |
Output is correct |
28 |
Correct |
8 ms |
2048 KB |
Output is correct |
29 |
Correct |
7 ms |
2048 KB |
Output is correct |
30 |
Correct |
27 ms |
2168 KB |
Output is correct |
31 |
Correct |
8 ms |
2048 KB |
Output is correct |
32 |
Correct |
26 ms |
2048 KB |
Output is correct |
33 |
Correct |
9 ms |
2048 KB |
Output is correct |
34 |
Correct |
8 ms |
2048 KB |
Output is correct |
35 |
Correct |
5 ms |
1792 KB |
Output is correct |
36 |
Correct |
5 ms |
1792 KB |
Output is correct |
37 |
Correct |
5 ms |
1792 KB |
Output is correct |
38 |
Correct |
5 ms |
1664 KB |
Output is correct |
39 |
Correct |
4 ms |
1664 KB |
Output is correct |
40 |
Correct |
12 ms |
2048 KB |
Output is correct |
41 |
Correct |
4 ms |
1664 KB |
Output is correct |
42 |
Correct |
12 ms |
2048 KB |
Output is correct |
43 |
Correct |
12 ms |
2048 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1792 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
2 ms |
1536 KB |
Output is correct |
4 |
Correct |
1 ms |
1536 KB |
Output is correct |
5 |
Correct |
1 ms |
1536 KB |
Output is correct |
6 |
Correct |
2 ms |
1536 KB |
Output is correct |
7 |
Correct |
1 ms |
1536 KB |
Output is correct |
8 |
Correct |
2 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
2 ms |
1536 KB |
Output is correct |
11 |
Correct |
387 ms |
10616 KB |
Output is correct |
12 |
Correct |
1 ms |
1536 KB |
Output is correct |
13 |
Correct |
385 ms |
10616 KB |
Output is correct |
14 |
Correct |
2 ms |
1536 KB |
Output is correct |
15 |
Correct |
399 ms |
10744 KB |
Output is correct |
16 |
Correct |
391 ms |
10616 KB |
Output is correct |
17 |
Correct |
422 ms |
10616 KB |
Output is correct |
18 |
Correct |
398 ms |
10616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
7 ms |
1920 KB |
Output is correct |
4 |
Correct |
57 ms |
2168 KB |
Output is correct |
5 |
Correct |
57 ms |
2048 KB |
Output is correct |
6 |
Correct |
9 ms |
2048 KB |
Output is correct |
7 |
Correct |
9 ms |
1920 KB |
Output is correct |
8 |
Correct |
3 ms |
1792 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
3 ms |
1792 KB |
Output is correct |
11 |
Correct |
58 ms |
2072 KB |
Output is correct |
12 |
Correct |
56 ms |
2048 KB |
Output is correct |
13 |
Correct |
1 ms |
1536 KB |
Output is correct |
14 |
Correct |
59 ms |
2100 KB |
Output is correct |
15 |
Correct |
2 ms |
1536 KB |
Output is correct |
16 |
Correct |
9 ms |
2048 KB |
Output is correct |
17 |
Correct |
1 ms |
1536 KB |
Output is correct |
18 |
Correct |
9 ms |
2048 KB |
Output is correct |
19 |
Correct |
3 ms |
1792 KB |
Output is correct |
20 |
Correct |
4 ms |
1920 KB |
Output is correct |
21 |
Correct |
5 ms |
1920 KB |
Output is correct |
22 |
Correct |
3 ms |
1792 KB |
Output is correct |
23 |
Correct |
8 ms |
2048 KB |
Output is correct |
24 |
Correct |
3 ms |
1792 KB |
Output is correct |
25 |
Correct |
8 ms |
2176 KB |
Output is correct |
26 |
Correct |
8 ms |
2048 KB |
Output is correct |
27 |
Correct |
6 ms |
2048 KB |
Output is correct |
28 |
Correct |
8 ms |
2048 KB |
Output is correct |
29 |
Correct |
7 ms |
2048 KB |
Output is correct |
30 |
Correct |
27 ms |
2168 KB |
Output is correct |
31 |
Correct |
8 ms |
2048 KB |
Output is correct |
32 |
Correct |
26 ms |
2048 KB |
Output is correct |
33 |
Correct |
9 ms |
2048 KB |
Output is correct |
34 |
Correct |
8 ms |
2048 KB |
Output is correct |
35 |
Correct |
5 ms |
1792 KB |
Output is correct |
36 |
Correct |
5 ms |
1792 KB |
Output is correct |
37 |
Correct |
5 ms |
1792 KB |
Output is correct |
38 |
Correct |
5 ms |
1664 KB |
Output is correct |
39 |
Correct |
4 ms |
1664 KB |
Output is correct |
40 |
Correct |
12 ms |
2048 KB |
Output is correct |
41 |
Correct |
4 ms |
1664 KB |
Output is correct |
42 |
Correct |
12 ms |
2048 KB |
Output is correct |
43 |
Correct |
12 ms |
2048 KB |
Output is correct |
44 |
Correct |
17 ms |
2176 KB |
Output is correct |
45 |
Correct |
2 ms |
1536 KB |
Output is correct |
46 |
Correct |
12 ms |
2048 KB |
Output is correct |
47 |
Correct |
24 ms |
2304 KB |
Output is correct |
48 |
Correct |
12 ms |
2048 KB |
Output is correct |
49 |
Correct |
25 ms |
2304 KB |
Output is correct |
50 |
Correct |
24 ms |
2304 KB |
Output is correct |
51 |
Correct |
51 ms |
2688 KB |
Output is correct |
52 |
Correct |
58 ms |
2120 KB |
Output is correct |
53 |
Correct |
1339 ms |
3064 KB |
Output is correct |
54 |
Correct |
67 ms |
2816 KB |
Output is correct |
55 |
Correct |
9 ms |
2048 KB |
Output is correct |
56 |
Correct |
57 ms |
2168 KB |
Output is correct |
57 |
Correct |
3 ms |
1792 KB |
Output is correct |
58 |
Correct |
1333 ms |
3064 KB |
Output is correct |
59 |
Correct |
9 ms |
2048 KB |
Output is correct |
60 |
Correct |
11 ms |
2048 KB |
Output is correct |
61 |
Correct |
9 ms |
2048 KB |
Output is correct |
62 |
Correct |
9 ms |
2048 KB |
Output is correct |
63 |
Correct |
16 ms |
2176 KB |
Output is correct |
64 |
Correct |
15 ms |
2176 KB |
Output is correct |
65 |
Correct |
10 ms |
2048 KB |
Output is correct |
66 |
Correct |
9 ms |
2092 KB |
Output is correct |
67 |
Correct |
28 ms |
2304 KB |
Output is correct |
68 |
Correct |
14 ms |
2176 KB |
Output is correct |
69 |
Correct |
10 ms |
2048 KB |
Output is correct |
70 |
Correct |
20 ms |
2176 KB |
Output is correct |
71 |
Correct |
28 ms |
2304 KB |
Output is correct |
72 |
Correct |
26 ms |
2304 KB |
Output is correct |
73 |
Correct |
6 ms |
2048 KB |
Output is correct |
74 |
Correct |
20 ms |
2176 KB |
Output is correct |
75 |
Correct |
26 ms |
2304 KB |
Output is correct |
76 |
Correct |
47 ms |
2176 KB |
Output is correct |
77 |
Correct |
33 ms |
2432 KB |
Output is correct |
78 |
Correct |
6 ms |
2048 KB |
Output is correct |
79 |
Correct |
16 ms |
2048 KB |
Output is correct |
80 |
Correct |
42 ms |
2176 KB |
Output is correct |
81 |
Correct |
34 ms |
2432 KB |
Output is correct |
82 |
Correct |
4 ms |
1664 KB |
Output is correct |
83 |
Correct |
16 ms |
2048 KB |
Output is correct |
84 |
Correct |
25 ms |
2432 KB |
Output is correct |
85 |
Correct |
4 ms |
1664 KB |
Output is correct |
86 |
Correct |
24 ms |
2432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1536 KB |
Output is correct |
2 |
Correct |
1 ms |
1536 KB |
Output is correct |
3 |
Correct |
7 ms |
1920 KB |
Output is correct |
4 |
Correct |
57 ms |
2168 KB |
Output is correct |
5 |
Correct |
57 ms |
2048 KB |
Output is correct |
6 |
Correct |
9 ms |
2048 KB |
Output is correct |
7 |
Correct |
9 ms |
1920 KB |
Output is correct |
8 |
Correct |
3 ms |
1792 KB |
Output is correct |
9 |
Correct |
1 ms |
1536 KB |
Output is correct |
10 |
Correct |
3 ms |
1792 KB |
Output is correct |
11 |
Correct |
58 ms |
2072 KB |
Output is correct |
12 |
Correct |
56 ms |
2048 KB |
Output is correct |
13 |
Correct |
1 ms |
1536 KB |
Output is correct |
14 |
Correct |
59 ms |
2100 KB |
Output is correct |
15 |
Correct |
2 ms |
1536 KB |
Output is correct |
16 |
Correct |
9 ms |
2048 KB |
Output is correct |
17 |
Correct |
1 ms |
1536 KB |
Output is correct |
18 |
Correct |
9 ms |
2048 KB |
Output is correct |
19 |
Correct |
3 ms |
1792 KB |
Output is correct |
20 |
Correct |
4 ms |
1920 KB |
Output is correct |
21 |
Correct |
5 ms |
1920 KB |
Output is correct |
22 |
Correct |
3 ms |
1792 KB |
Output is correct |
23 |
Correct |
8 ms |
2048 KB |
Output is correct |
24 |
Correct |
3 ms |
1792 KB |
Output is correct |
25 |
Correct |
8 ms |
2176 KB |
Output is correct |
26 |
Correct |
8 ms |
2048 KB |
Output is correct |
27 |
Correct |
6 ms |
2048 KB |
Output is correct |
28 |
Correct |
8 ms |
2048 KB |
Output is correct |
29 |
Correct |
7 ms |
2048 KB |
Output is correct |
30 |
Correct |
27 ms |
2168 KB |
Output is correct |
31 |
Correct |
8 ms |
2048 KB |
Output is correct |
32 |
Correct |
26 ms |
2048 KB |
Output is correct |
33 |
Correct |
9 ms |
2048 KB |
Output is correct |
34 |
Correct |
8 ms |
2048 KB |
Output is correct |
35 |
Correct |
5 ms |
1792 KB |
Output is correct |
36 |
Correct |
5 ms |
1792 KB |
Output is correct |
37 |
Correct |
5 ms |
1792 KB |
Output is correct |
38 |
Correct |
5 ms |
1664 KB |
Output is correct |
39 |
Correct |
4 ms |
1664 KB |
Output is correct |
40 |
Correct |
12 ms |
2048 KB |
Output is correct |
41 |
Correct |
4 ms |
1664 KB |
Output is correct |
42 |
Correct |
12 ms |
2048 KB |
Output is correct |
43 |
Correct |
12 ms |
2048 KB |
Output is correct |
44 |
Correct |
1 ms |
1536 KB |
Output is correct |
45 |
Correct |
242 ms |
8320 KB |
Output is correct |
46 |
Correct |
1629 ms |
7132 KB |
Output is correct |
47 |
Correct |
248 ms |
8328 KB |
Output is correct |
48 |
Correct |
239 ms |
8312 KB |
Output is correct |
49 |
Execution timed out |
3042 ms |
7216 KB |
Time limit exceeded |
50 |
Halted |
0 ms |
0 KB |
- |