// In The Name Of God
//#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <iostream>
#include <iomanip>
#include <fstream>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <bitset>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define sagyndym_seni ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
const int N = 2e5+5, M = 2e7+5, p1 = 911382323, p2 = 972663749, INF = 1e9+123;
inline int read(){
char c = getchar_unlocked();
bool minus = 0;
while (c < '0' || '9' < c){
if(c == '-'){ minus = 1;}
c = getchar_unlocked();
if(c == '-'){ minus = 1;}
}
int res = 0;
while ('0' <= c && c <= '9') {
res = (res << 3) + (res << 1) + c - '0';
c = getchar_unlocked();
}
if(minus){ res = (~res) + 1;}
return res;
}
int n, m, q;
int pos[M], LOG[M], vec[N];
pair<int, int> st[M][30];
vector<int> g[N];
vector<pair<int, int>> order;
void dfs(int v, int p, int depth){
order.pb({depth, v});
pos[v] = sz(order)-1;
for(auto to : g[v]){
if(to == p){ continue;}
dfs(to, v, depth + 1);
order.pb({depth, v});
}
}
inline void precalc(){
int max_log = log2(sz(order)); LOG[1] = 0;
for(int i = 2; i < (1 << max_log); i++){
LOG[i] = LOG[i >> 1] + 1;
}
for(int i = 0; i < sz(order); i++){
assert(i < (N << 2));
st[i][0] = order[i];
}
for(int j = 1; j <= max_log; j++){
for(int i = 0; i + (1 << j) < sz(order); i++){
st[i][j] = min(st[i][j-1], st[i + (1 << (j-1))][j-1]);
}
}
}
inline int mn(int l, int r){
if(r < l){ swap(l, r);}
int j = LOG[r - l + 1];
pair<int, int> res = min(st[l][j], st[r - (1 << j) + 1][j]);
return res.s;
}
multiset<pair<int, int>> tUno[N << 2], tDos[N << 2];
void build_uno(int v, int vl, int vr){
if(vl == vr){
int val = vl == m - 1 ? -1 : mn(pos[vec[vl]], pos[vec[vl + 1]]);
tUno[v].insert({val, vl});
return;
}
int vm = (vl + vr) >> 1;
build_uno(v*2+1, vl, vm);
build_uno(v*2+2, vm+1, vr);
merge(all(tUno[v*2+1]), all(tUno[v*2+2]), inserter(tUno[v], tUno[v].begin()));
}
void build_dos(int v, int vl, int vr){
if(vl == vr){
tDos[v].insert({vec[vl], vl});
return;
}
int vm = (vl + vr) >> 1;
build_dos(v*2+1, vl, vm);
build_dos(v*2+2, vm+1, vr);
merge(all(tDos[v*2+1]), all(tDos[v*2+2]), inserter(tDos[v], tDos[v].begin()));
}
void modify_dos(int v, int vl, int vr, int idx, int old_val, int new_val){
tDos[v].erase(tDos[v].find({old_val, idx}));
tDos[v].insert({new_val, idx});
if(vl != vr){
int vm = (vl + vr) >> 1;
if(idx <= vm){
modify_dos(v*2+1, vl, vm, idx, old_val, new_val);
}else{
modify_dos(v*2+2, vm+1, vr, idx, old_val, new_val);
}
}
}
void modify_uno(int v, int vl, int vr, int idx, int old_val, int new_val){
tUno[v].erase(tUno[v].find({old_val, idx}));
tUno[v].insert({new_val, idx});
if(vl != vr){
int vm = (vl + vr) >> 1;
if(idx <= vm){
modify_uno(v*2+1, vl, vm, idx, old_val, new_val);
}else{
modify_uno(v*2+2, vm+1, vr, idx, old_val, new_val);
}
}
}
int query_uno(int v, int vl, int vr, int l, int r, int val){
if(l > vr || r < vl || r < l){ return -1;}
if(l <= vl && vr <= r){
auto it = tUno[v].lower_bound({val, -1});
if(it == tUno[v].end()){ return -1;}
pair<int, int> temp = *it;
return temp.f == val ? temp.s : -1;
}
int vm = (vl + vr) >> 1;
int q = query_uno(v*2+1, vl, vm, l, r, val);
if(q != -1){ return q;}
return query_uno(v*2+2, vm+1, vr, l, r, val);
}
int query_dos(int v, int vl, int vr, int l, int r, int val){
if(l > vr || r < vl || r < l){ return -1;}
if(l <= vl && vr <= r){
auto it = tDos[v].lower_bound({val, -1});
if(it == tDos[v].end()){ return -1;}
pair<int, int> temp = *it;
return temp.f == val ? temp.s : -1;
}
int vm = (vl + vr) >> 1;
int q = query_dos(v*2+1, vl, vm, l, r, val);
if(q != -1){ return q;}
return query_dos(v*2+2, vm+1, vr, l, r, val);
}
int main(){
sagyndym_seni;
n = read(); m = read(); q = read();
for(int i = 1; i < n; i++){
int v = read()-1, u = read()-1;
g[v].pb(u);
g[u].pb(v);
}
for(int i = 0; i < m; i++){
vec[i] = read()-1;
}
dfs(0, 0, 0);
precalc();
build_uno(0, 0, m - 1);
build_dos(0, 0, m - 1);
while(q--){
int tp = read()-1;
if(!tp){
int p = read()-1, v = read()-1;
modify_dos(0, 0, m - 1, p, vec[p], v);
if(p != m - 1){
modify_uno(0, 0, m - 1, p, mn(pos[vec[p]], pos[vec[p + 1]]), mn(pos[v], pos[vec[p + 1]]));
}
if(p != 0){
modify_uno(0, 0, m - 1, p - 1, mn(pos[vec[p-1]], pos[vec[p]]), mn(pos[v], pos[vec[p-1]]));
}
vec[p] = v;
}else{
int l = read()-1, r = read()-1, p = read()-1;
int res1 = query_dos(0, 0, m - 1, l, r, p);
if(res1 != -1){ cout<<'\n'<<res1 + 1<<' '<<res1 + 1; continue;}
int res2 = query_uno(0, 0, m - 1, l, r - 1, p);
res2 == -1 ? cout<<"\n-1 -1" : cout<<'\n'<<res2 + 1<<' '<<res2 + 2;
}
}
return 0;
}
/* TIMUS: 292220YC*/
Compilation message
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::(anonymous namespace)::__destroy_string<wchar_t>(void*)':
(.text._ZNSt13__facet_shims12_GLOBAL__N_116__destroy_stringIwEEvPv+0x1e): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::(anonymous namespace)::__destroy_string<char>(void*)':
(.text._ZNSt13__facet_shims12_GLOBAL__N_116__destroy_stringIcEEvPv+0x1e): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<wchar_t>::do_get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, bool, std::ios_base&, std::_Ios_Iostate&, std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIwE6do_getESt19istreambuf_iteratorIwSt11char_traitsIwEES6_bRSt8ios_baseRSt12_Ios_IostateRSbIwS5_SaIwEE+0xfe): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<wchar_t>::do_get(std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, std::istreambuf_iterator<wchar_t, std::char_traits<wchar_t> >, bool, std::ios_base&, std::_Ios_Iostate&, std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIwE6do_getESt19istreambuf_iteratorIwSt11char_traitsIwEES6_bRSt8ios_baseRSt12_Ios_IostateRSbIwS5_SaIwEE+0x17b): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<char>::do_get(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, bool, std::ios_base&, std::_Ios_Iostate&, std::string&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIcE6do_getESt19istreambuf_iteratorIcSt11char_traitsIcEES6_bRSt8ios_baseRSt12_Ios_IostateRSs+0xfe): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `std::__facet_shims::(anonymous namespace)::money_get_shim<char>::do_get(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, bool, std::ios_base&, std::_Ios_Iostate&, std::string&) const':
(.text._ZNKSt13__facet_shims12_GLOBAL__N_114money_get_shimIcE6do_getESt19istreambuf_iteratorIcSt11char_traitsIcEES6_bRSt8ios_baseRSt12_Ios_IostateRSs+0x17b): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<char>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<char>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0xa1): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<char>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<char>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIcEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0x24f): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<wchar_t>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<wchar_t>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0xa9): relocation truncated to fit: R_X86_64_32S against symbol `std::string::_Rep::_S_empty_rep_storage' defined in .bss._ZNSs4_Rep20_S_empty_rep_storageE[_ZNSs4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-string-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<wchar_t>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<wchar_t>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0x114): relocation truncated to fit: R_X86_64_32S against symbol `std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::_Rep::_S_empty_rep_storage' defined in .bss._ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE[_ZNSbIwSt11char_traitsIwESaIwEE4_Rep20_S_empty_rep_storageE] section in /usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-wstring-inst.o)
/usr/lib/gcc/x86_64-linux-gnu/7/libstdc++.a(cow-shim_facets.o): In function `void std::__facet_shims::__numpunct_fill_cache<wchar_t>(std::integral_constant<bool, false>, std::locale::facet const*, std::__numpunct_cache<wchar_t>*)':
(.text._ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E[_ZNSt13__facet_shims21__numpunct_fill_cacheIwEEvSt17integral_constantIbLb0EEPKNSt6locale5facetEPSt16__numpunct_cacheIT_E]+0x294): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status
