#include <bits/stdc++.h>
using namespace std;
int n,m,x,k,l,r;
int cnt=0;
int nr[100001];
bool is[100001];
int rez[100001];
vector<int> v1[100001];
vector<int> v2[100001];
queue<int> q;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
for(int i=1;i<=m;i++)
{
cin >> x;
is[x]=1;
rez[++cnt]=x;
}
cin >> k;
for(int i=1;i<=k;i++)
{
cin >> l >> r;
for(int j=1;j<=l;j++)
{
cin >> x;
if(!is[x])
{
nr[i]++;
v1[x].push_back(i);
}
}
for(int j=1;j<=r;j++)
{
cin >> x;
if(!is[x])
{
v2[i].push_back(x);
}
}
if(!nr[i])q.push(i);
}
while(!q.empty())
{
int cur=q.front();
q.pop();
for(auto node : v2[cur])
{
if(!is[node])
{
is[node]=1;
rez[++cnt]=node;
for(auto react : v1[node])
{
nr[react]--;
if(!nr[react])q.push(react);
}
}
}
}
sort(rez+1,rez+cnt+1);
cout << cnt <<'\n';
for(int i=1;i<=cnt;i++)
{
cout << rez[i]<<' ';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5120 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5100 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5100 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5100 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5100 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5100 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
17 ms |
6636 KB |
Output is correct |
2 |
Correct |
33 ms |
7404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
42 ms |
8428 KB |
Output is correct |
2 |
Correct |
51 ms |
9344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
66 ms |
10348 KB |
Output is correct |
2 |
Correct |
40 ms |
7676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
71 ms |
10732 KB |
Output is correct |
2 |
Correct |
65 ms |
10476 KB |
Output is correct |