-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathPERMUTATION_SWAPS.cpp
More file actions
66 lines (56 loc) · 901 Bytes
/
Copy pathPERMUTATION_SWAPS.cpp
File metadata and controls
66 lines (56 loc) · 901 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
#include <bits/stdc++.h>
#include <vector>
using namespace std;
vector<int>p,q;
void dfs(vector<int>list[],int *a,int *b,int sv,bool *vis)
{
vis[sv]=1;
p.push_back(a[sv]);
q.push_back(b[sv]);
for(int i=0;i<list[sv].size();i++)
{
if(!vis[list[sv][i]])
{
dfs(list,a,b,list[sv][i],vis);
}
}
}
int main()
{
int t;
cin>>t;
while(t--)
{
int n,m;
cin>>n>>m;
int a[n],b[n];
for(int i=0;i<n;cin>>a[i++]);
for(int j=0;j<n;cin>>b[j++]);
vector<int>list[n+1];
for(int i=0;i<m;i++)
{
int u,v;
cin>>u>>v;
list[u-1].push_back(v-1);
list[v-1].push_back(u-1);
}
bool *vis=new bool[n]();
bool ans=1;
for(int i=0;i<n;i++)
{
if(!vis[i])
{
p.clear();
q.clear();
dfs(list,a,b,i,vis);
sort(p.begin(),p.end());
sort(q.begin(),q.end());
if(p!=q)
{
ans=0;
}
}
}
ans==1?cout<<"YES"<<endl:cout<<"NO"<<endl;
}
}