#include <bits/stdc++.h>
using namespace std;
#define TASK "long"
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define GETBIT(mask, i) ((mask) >> (i) & 1)
#define MASK(i) ((1LL) << (i))
#define SZ(x) ((int)(x).size())
#define mp make_pair
#define CNTBIT(mask) __builtin_popcount(mask)
template<class X, class Y> bool maximize(X &x, Y y){ if (x < y) {x = y; return true;} return false;};
template<class X, class Y> bool minimize(X &x, Y y){ if (x > y) {x = y; return true;} return false;};
typedef pair<int, int> ii;
const int N = 1e5 + 5;
const int inf = 1e9 + 7;
const long long INF = (long long)1e18 + 7;
const int mod = 1e9 + 7;
void add(int &x, int y) {x += y; if (x >= mod) x -= mod;}
void sub(int &x, int y) {x -= y; if (x < 0) x += mod;}
int mul(int x, int y) {return 1LL * x * y % mod;}
// -----------------------------------------//
const int LOG = 17;
int n, m, q;
int a[N], par[N][LOG + 2], high[N], tin[N], tout[N];
vector<int> adj[N];
void read() {
cin >> n >> m >> q;
for(int i = 1; i < n; i++) {
int u, v; cin >> u >> v;
adj[u].push_back(v);
adj[v].push_back(u);
}
for(int i = 1; i <= m; i++) cin >> a[i];
}
int timer = 0;
void dfs(int u) {
tin[u] = ++timer;
for(int v: adj[u]) if (v != par[u][0]) {
high[v] = high[u] + 1;
par[v][0] = u;
dfs(v);
}
tout[u] = timer;
}
bool isChild(int u, int p) {
return tin[p] <= tin[u] && tin[u] <= tout[p];
}
int LCA(int u, int v) {
if (u == 0 || v == 0) return u + v;
if (high[u] < high[v]) swap(u, v);
int d = high[u] - high[v];
for(int i = LOG; i >= 0; i--) if (d & (1 << i)) u = par[u][i];
if (u == v) return u;
for(int i = LOG; i >= 0; i--) if (par[u][i] != par[v][i]) {
u = par[u][i];
v = par[v][i];
}
return par[u][0];
}
void sub2() {
dfs(1);
for(int j = 1; j <= LOG; j++) {
for(int i = 1; i <= n; i++) {
par[i][j] = par[par[i][j - 1]][j - 1];
}
}
while(q--) {
int type; cin >> type;
if (type == 1) {
int pos, v; cin >> pos >> v;
a[pos] = v;
}
else {
int l, r, p; cin >> l >> r >> p;
int sta = 0, lca = 0;
bool ok = 0;
for(int i = l; i <= r; i++) {
if (isChild(a[i], p)) {
sta = (sta == 0 ? i : sta);
lca = LCA(lca, a[i]);
if (lca == p) {
ok = 1;
cout << sta << ' ' << i << endl;
break;
}
}
else {
lca = 0;
sta = 0;
}
}
if (!ok) cout << -1 << ' ' << -1 << endl;
}
}
}
void solve() {
sub2();
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
if (fopen(TASK".inp", "r")) {
freopen(TASK".inp", "r", stdin);
freopen(TASK".out", "w", stdout);
}
int test = 1;
// cin >> test;
while(test--) {
read();
solve();
}
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
treearray.cpp: In function 'int main()':
treearray.cpp:105:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
105 | freopen(TASK".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
treearray.cpp:106:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
106 | freopen(TASK".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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