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| #include <bits/stdc++.h>
#pragma optimization_level 3
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
struct PairHash {inline std::size_t operator()(const std::pair<int,int> & v) const {return v.first*31+v.second;}};
#define MAX_N 50505
#define INF 987654321
#define EPS 1e-9
#define ll long long
#define pll pair<ll, ll>
#define vpll vector<pll>
#define vall3 vector<array<ll,3>>
#define all3 array<ll,3>
#define all5 array<ll,5>
#define vall5 vector<all5>
#define vll vector<ll>
#define vs vector<string>
#define usll unordered_set<ll>
#define uspll unordered_set<pll, PairHash>
#define vvs vector<vs>
#define vvll vector<vll>
#define all(a) begin(a), end(a)
using namespace std;
ll solve(vll& A, vll& B, vll& C) {
ll n = A.size(), res = 1, mod = 1e9 + 7;
vll seen(n + 1);
unordered_map<ll, ll> mp;
for(auto& c : C) if(c) seen[c] = 1;
for(ll i = 0; i < n; i++) mp[A[i]] = i;
for(ll i = 0; i < n; i++) {
ll a = A[i], b = B[i];
if(a == b) continue;
if(seen[a] or seen[b]) continue;
ll now = b, x = 1;
while(now != a) {
seen[now] = 1;
now = B[mp[now]];
if(seen[now]) x = 0;
}
seen[now] = 1;
res = res * (ll)pow(2,x) % mod;
}
return res;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
ll tc;
cin>>tc;
for(ll i = 1; i <= tc; i++) {
ll n;
cin>>n;
vll A(n), B(n), C(n);
for(ll j = 0; j < n; j++) cin>>A[j];
for(ll j = 0; j < n; j++) cin>>B[j];
for(ll j = 0; j < n; j++) cin>>C[j];
cout<<solve(A, B, C)<<endl;
}
return 0;
}
|
