#include <bits/stdc++.h>
using namespace std;
int t, n, m;
vector<int> adj[150005], ci[150005], cf[150005];
int parent[150005], sz[150005], timec[150005];
int last[150005], c1[150005], c2[150005];
bool ex[150005], aux[150005];
int cauta(int u, int tm)
{
if(u == parent[u] || timec[u] > tm)
return u;
return cauta(parent[u], tm);
}
void unite(int u, int v, int tm)
{
u = cauta(u, tm);
v = cauta(v, tm);
if(u == v) return;
if(sz[u] > sz[v]) swap(u, v);
parent[u] = v;
sz[v] += sz[u];
timec[u] = tm;
}
signed main()
{
cin>>t;
while(t--)
{
bool ok = true;
cin>>n>>m;
for(int i = 1; i <= n; i++)
{
adj[i].clear();
ci[i].clear();
cf[i].clear();
last[i] = 0;
ex[i] = 0;
aux[i] = 0;
c1[i] = 0;
c2[i] = 0;
timec[i] = 0;
}
for(int i = 1; i <= n; i++) cin>>c1[i], ci[c1[i]].push_back(i);
for(int i = 1; i <= n; i++) cin>>c2[i], cf[c2[i]].push_back(i);
for(int i = 1; i <= n; i++)
{
ex[i] = 0;
parent[i] = i;
sz[i] = 1;
timec[i] = 0;
if(c2[i] > c1[i])
ok = false;
}
if(!ok)
{
cout<<0<<'\n';
continue;
}
for(int i = 1; i <= m; i++)
{
int a, b;
cin>>a>>b;
adj[a].push_back(b);
adj[b].push_back(a);
}
int timer = 0;
for(int c = 1; c <= n; c++)
{
last[c] = timer;
//cout<<c<<" "<<last[c]<<" ZZZ\n";
for(auto i : cf[c])
{
ex[i] = true;
for(auto j : adj[i])
if(ex[j])
{
unite(i, j, ++timer);
}
}
}
last[n + 1] = timer;
bool ans = true;
for(int c = n; c >= 1; c--)
{
timer = last[c + 1];
//cout<<c<<" "<<timer<<" zzz "<<'\n';
vector<int> idk;
for(auto nod : ci[c])
{
int val = cauta(nod, timer);
//cout<<"nod: "<<nod<<", timer: "<<timer<<", val: "<<val<<'\n';
aux[val] = true;
idk.push_back(val);
}
for(auto nod : cf[c])
{
int val = cauta(nod, timer);
//cout<<"ZZZ nod: "<<nod<<" val: "<<val<<'\n';
if(aux[val] == false)
ans = false;
}
for(auto nod : idk)
aux[nod] = false;
}
cout<<ans;
}
return 0;
}
/**
2
4 4
3 3 2 1
2 1 2 1
1 2
2 3
3 4
4 2
4 4
3 3 2 1
1 2 2 1
1 2
2 3
3 4
4 2
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
79 ms |
16048 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
31 ms |
15192 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
87 ms |
15956 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
87 ms |
15956 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
79 ms |
16048 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
170 ms |
17596 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
18 ms |
14936 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
79 ms |
16048 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |