#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 1e3 + 7;
int n, Q, m;
int p[N];
int a[N], b[N];
struct Query {
  int t, x;
} q[N];
int nd, fa[N], del[N];
int find(int x) { return x == fa[x] ? x : fa[x] = find(fa[x]); }
int rt[N];
vector<int> g[N];
int vis[N];
int st[N], ed[N], dc, rev[N];
void dfs(int x) {
  if (vis[x]) return;
  st[x] = ++dc;
  vis[x] = 1;
  rev[st[x]] = x;
  for (auto v : g[x]) dfs(v);
  ed[x] = dc;
}
int cnt;
struct T {
  int ls, rs, l, r;
  pair<int, int> mx;
} t[N * 2 + 1];
void update(int x) { t[x].mx = max(t[t[x].ls].mx, t[t[x].rs].mx); }
int build(int l, int r) {
  int x = ++cnt;
  t[x].l = l, t[x].r = r;
  if (l == r) {
    t[x].mx = make_pair(p[rev[l]], l);
    return x;
  }
  int mid = (l + r) >> 1;
  t[x].ls = build(l, mid);
  t[x].rs = build(mid + 1, r);
  update(x);
  return x;
}
void change(int x, int p, int v) {
  if (t[x].l == t[x].r) {
    t[x].mx.first = v;
    return;
  }
  int mid = (t[x].l + t[x].r) >> 1;
  if (p <= mid)
    change(t[x].ls, p, v);
  else
    change(t[x].rs, p, v);
  update(x);
}
pair<int, int> query(int x, int l, int r) {
  if (l <= t[x].l && t[x].r <= r) return t[x].mx;
  int mid = (t[x].l + t[x].r) >> 1;
  pair<int, int> mx = make_pair(0, 0);
  if (l <= mid) mx = max(mx, query(t[x].ls, l, r));
  if (r > mid) mx = max(mx, query(t[x].rs, l, r));
  return mx;
}
int main() {
  scanf("%d%d%d", &n, &m, &Q);
  for (int i = 1; i <= n; i++) scanf("%d", &p[i]), fa[i] = i;
  for (int i = 1; i <= m; i++) scanf("%d%d", &a[i], &b[i]);
  for (int i = 1; i <= Q; i++) {
    scanf("%d%d", &q[i].t, &q[i].x);
    if (q[i].t == 2) del[q[i].x] = 1;
  }
  nd = n;
  for (int i = 1; i <= m; i++)
    if (!del[i]) {
      int fx = find(a[i]), fy = find(b[i]);
      if (fx == fy) continue;
      ++nd;
      g[nd].push_back(fx);
      g[nd].push_back(fy);
      fa[fx] = fa[fy] = fa[nd] = nd;
    }
  for (int i = Q; i >= 1; i--) {
    if (q[i].t == 2) {
      int fx = find(a[q[i].x]), fy = find(b[q[i].x]);
      if (fx == fy) continue;
      ++nd;
      g[nd].push_back(fx);
      g[nd].push_back(fy);
      fa[fx] = fa[fy] = fa[nd] = nd;
    } else
      rt[i] = find(q[i].x);
  }
  for (int i = nd; i >= 1; i--) dfs(i);
  build(1, nd);
  for (int i = 1; i <= Q; i++) {
    if (q[i].t == 1) {
      pair<int, int> ans = query(1, st[rt[i]], ed[rt[i]]);
      printf("%d\n", ans.first);
      if (ans.second) change(1, ans.second, 0);
    }
  }
}
