This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define DIM 200010
using namespace std;
vector <int> L[DIM];
pair <int,int> rmq[20][DIM*3];
set <int> s[DIM],s2[DIM];
int E[DIM*3],p[DIM*3],first[DIM],level[DIM],v[DIM];
int n,m,i,j,x,y,pos,val,q,k,tip,l,r;
void dfs (int nod, int tata){
level[nod] = 1 + level[tata];
E[++k] = nod;
first[nod] = k;
for (auto vecin : L[nod])
if (vecin != tata){
dfs (vecin,nod);
E[++k] = nod;
}
}
int get_lca (int x, int y){
int posx = first[x], posy = first[y];
if (posx > posy)
swap (posx,posy);
int nr = p[posy-posx+1];
pair <int,int> sol = min (rmq[nr][posx],rmq[nr][posy-(1<<nr)+1]);
return E[sol.second];
}
int main (){
//ifstream cin ("date.in");
//ofstream cout ("date.out");
cin>>n>>m>>q;
for (i=1;i<n;i++){
cin>>x>>y;
L[x].push_back(y);
L[y].push_back(x);
}
dfs (1,0);
for (i=1;i<=k;i++)
rmq[0][i] = make_pair(level[E[i]],i);
for (i=1;(1<<i)<=k;i++)
for (j=1;j<=k;j++){
rmq[i][j] = rmq[i-1][j];
if (j + (1<<(i-1)) <= k && rmq[i-1][j + (1<<(i-1))].first < rmq[i][j].first)
rmq[i][j] = rmq[i-1][j + (1<<(i-1))];
}
for (i=2;i<=k;i++)
p[i] = p[i/2] + 1;
for (i=1;i<=m;i++){
cin>>v[i];
s2[v[i]].insert(i);
}
for (i=1;i<m;i++){
int lca = get_lca (v[i],v[i+1]);
s[lca].insert(i);
}
for (;q--;){
cin>>tip;
if (tip == 1){
cin>>pos>>val;
if (pos > 1){
int lca = get_lca (v[pos-1],v[pos]);
s[lca].erase(pos-1);
}
if (pos < m){
int lca = get_lca (v[pos],v[pos+1]);
s[lca].erase(pos);
}
s2[v[pos]].erase(pos);
v[pos] = val;
s2[v[pos]].insert(pos);
if (pos > 1){
int lca = get_lca (v[pos-1],v[pos]);
s[lca].insert(pos-1);
}
if (pos < m){
int lca = get_lca (v[pos],v[pos+1]);
s[lca].insert(pos);
}
} else {
cin>>l>>r>>val;
set <int> :: iterator it = s2[val].lower_bound(l);
if (it != s2[val].end() && *it < r){
cout<<(*it)<<" "<<(*it)<<"\n";
continue;
}
it = s[val].lower_bound(l);
pos = *it;
if (it == s[val].end() || *it >= r)
cout<<"-1 -1\n";
else cout<<(*it)<<" "<<(*it)+1<<"\n";
}
}
return 0;
}
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