#include #include #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i=0;--i) #define rrep2(i,a,n) for(int i=(int)(n)-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif #define M_PI 3.14159265358979323846 using namespace std; using namespace atcoder; using ll=long long; using ld=long double; using pii=pair; using pll=pair; using pdd=pair; using tp=tuple; using tpll=tuple; using veci=vector; using vecpii=vector>; using vecll=vector; using vecpll=vector>; using vecpdd=vector>; using vecs=vector; using vecb=vector; using vecd=vector; using vectp=vector; using vectpll=vector; using mint=modint998244353; using mint10=modint1000000007; template istream& operator>>(istream& in, pair& a){return in >> a.first >> a.second;} template ostream& operator<<(ostream& out, const pair& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template ostream& operator<<(ostream& out, const vector& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << (i == d.size() - 1 ? "" : " "); return out;} template pair operator+(const pair& a, const pair& b){return {a.fi + b.fi, a.se + b.se};} template pair operator-(const pair& a, const pair& b){return {a.fi - b.fi, a.se - b.se};} template inline bool chmax(T& a,T b){if(a inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} bool Judge(int i, int j, int h, int w){return i < 0 || j < 0 || i >= h || j >= w;} bool PrintA(int i){cout<<(i ? "Yes" : "No")<::max() >> 2; constexpr int inf=numeric_limits::max() >> 1; constexpr ll MOD=998244353; const int vi[] = {0, 1, 0, -1}, vj[] = {1, 0, -1, 0}; template void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template void LogOutput(vector>& data){for(auto d : data) LogOutput(d);} int op(int a, int b){return a + b;} int e(){return 0;} int bs; int f(int k){return k < bs;} int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n;cin>>n; veci a(n); rep(i, n) cin>>a[i], a[i]--; int q;cin>>q; veci ty(q), qr(q); rep(i, q){ cin>>ty[i]; if(ty[i] == 1) cin>>qr[i], qr[i]--; else if(ty[i] == 3) cin>>qr[i], qr[i]--; } veci idx(n + q), d(n + q); { veci pr(n + q, -1); rep(i, 1, n) pr[a[i]] = a[i - 1]; int v = n, lst = a[n - 1]; rep(i, q) if(ty[i] == 1){ if(qr[i] == -1) pr[v] = lst, lst = v++; else pr[v] = pr[qr[i]], pr[qr[i]] = v++; } v = 0; rep(i, n + 1){ int cur; if(i == n){ if(lst == a[n - 1]) break; cur = lst; }else cur = a[i]; veci t{cur}; while(pr[cur] != -1 && pr[cur] >= n){ t.push_back(pr[cur]); cur = pr[cur]; } rrep(i, t.size()) idx[t[i]] = v, d[v++] = t[i]; } idx.erase(idx.begin() + v, idx.end()); d.erase(d.begin() + v, d.end()); } segtree sg(d.size()); rep(i, n) sg.set(idx[a[i]], 1); int k = n, v = 0; rep(i, q){ if(ty[i] == 1){ sg.set(idx[k++], 1); }else if(ty[i] == 2){ bs = 1; int r = sg.max_right(0, f); assert(sg.get(r) > 0); sg.set(r, 0); }else{ bs = qr[i] + 1; cout<