// author: hotman78 // date: 2023/03/10-22:57:20 // --- begin raw code ----------------- // #include"cpplib/util/template.hpp" // // int main(){ // int n; // cin>>n; // vector h(n),t(n); // rep(i,n)cin>>h[i]; // rep(i,n)cin>>t[i]; // int q; // cin>>q; // vector>v(n); // vector v2(n); // { // rep(i,n)v[i]=make_tuple(h[i],-t[i],i); // int cnt=-1,idx=-1; // sort(all(v)); // rep(i,n){ // if(chmax(cnt,-get<1>(v[i])))idx=get<2>(v[i]); // v2[i]=idx; // } // // } // vector> tb(30,vector(n)); // rep(i,n){ // int idx=lower_bound(all(v),make_tuple(t[i],IINF,IINF))-v.begin()-1; // if(idx==-1)tb[0][i]=i; // else tb[0][i]=v2[idx]; // } // rep(j,29){ // rep(i,n){ // tb[j+1][i]=tb[j][tb[j][i]]; // } // } // auto get=[&](int x,int fst)->int // { // int cnt=0,res=fst; // while(x){ // if(x%2){ // res=tb[cnt][res]; // } // x/=2; // cnt++; // } // return res; // }; // while(q--){ // int p,q; // cin>>p>>q; // p--;q--; // if(t[p]>=h[q]){ // cout<<1<1){ // lint m=(ok+ng)/2; // if(t[get(m,p)]>=h[q]){ // ok=m; // }else{ // ng=m; // } // } // if(ok>=1LL<<19){ // ok=-2; // } // cout< using namespace std; #line 1 "cpplib/util/ioutil.hpp" // template // std::ostream& output(std::ostream& out,const Head& head,const Args&... args){ // out>>head; // return output(head,args...); // } // template // std::ostream& output(std::ostream& out,const Head& head){ // out>>head; // return out; // } template std::ostream &operator<<(std::ostream &out, std::pair v) { out << "(" << v.first << "," << v.second << ")"; return out; } // template // ostream& operator<<(ostream& out,std::tuplev){ // std::apply(output,v); // return out; // } #line 8 "cpplib/util/template.hpp" struct __INIT__ { __INIT__() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } __INIT__; typedef long long lint; constexpr long long INF = 1LL << 60; constexpr int IINF = 1 << 30; constexpr double EPS = 1e-10; #ifndef REACTIVE #define endl '\n'; #endif typedef vector vec; typedef vector> mat; typedef vector>> mat3; typedef vector svec; typedef vector> smat; template using V = vector; template using VV = V>; template inline void output(T t) { bool f = 0; for (auto i : t) { cout << (f ? " " : "") << i; f = 1; } cout << endl; } template inline void output2(T t) { for (auto i : t) output(i); } template inline void debug(T t) { bool f = 0; for (auto i : t) { cerr << (f ? " " : "") << i; f = 1; } cerr << endl; } template inline void debug2(T t) { for (auto i : t) debug(i); } #define loop(n) for (long long _ = 0; _ < (long long)(n); ++_) #define _overload4(_1, _2, _3, _4, name, ...) name #define __rep(i, a) repi(i, 0, a, 1) #define _rep(i, a, b) repi(i, a, b, 1) #define repi(i, a, b, c) \ for (long long i = (long long)(a); i < (long long)(b); i += c) #define rep(...) _overload4(__VA_ARGS__, repi, _rep, __rep)(__VA_ARGS__) #define _overload3_rev(_1, _2, _3, name, ...) name #define _rep_rev(i, a) repi_rev(i, 0, a) #define repi_rev(i, a, b) \ for (long long i = (long long)(b)-1; i >= (long long)(a); --i) #define rrep(...) _overload3_rev(__VA_ARGS__, repi_rev, _rep_rev)(__VA_ARGS__) #define all(n) begin(n), end(n) template bool chmin(T &s, const E &t) { bool res = s > t; s = min(s, t); return res; } template bool chmax(T &s, const E &t) { bool res = s < t; s = max(s, t); return res; } const vector dx = {1, 0, -1, 0, 1, 1, -1, -1}; const vector dy = {0, 1, 0, -1, 1, -1, 1, -1}; #define SUM(v) accumulate(all(v), 0LL) #if __cplusplus >= 201703L template auto make_vector(T x, int arg, Args... args) { if constexpr (sizeof...(args) == 0) return vector(arg, x); else return vector(arg, make_vector(x, args...)); } #endif #define extrep(v, ...) for (auto v : __MAKE_MAT__({__VA_ARGS__})) #define bit(n, a) ((n >> a) & 1) vector> __MAKE_MAT__(vector v) { if (v.empty()) return vector>(1, vector()); long long n = v.back(); v.pop_back(); vector> ret; vector> tmp = __MAKE_MAT__(v); for (auto e : tmp) for (long long i = 0; i < n; ++i) { ret.push_back(e); ret.back().push_back(i); } return ret; } using graph = vector>; template using graph_w = vector>>; #if __cplusplus >= 201703L constexpr inline long long powll(long long a, long long b) { long long res = 1; while (b--) res *= a; return res; } #endif template pair &operator+=(pair &s, const pair &t) { s.first += t.first; s.second += t.second; return s; } template pair &operator-=(pair &s, const pair &t) { s.first -= t.first; s.second -= t.second; return s; } template pair operator+(const pair &s, const pair &t) { auto res = s; return res += t; } template pair operator-(const pair &s, const pair &t) { auto res = s; return res -= t; } #define BEGIN_STACK_EXTEND(size) \ void *stack_extend_memory_ = malloc(size); \ void *stack_extend_origin_memory_; \ char *stack_extend_dummy_memory_ = (char *)alloca( \ (1 + (int)(((long long)stack_extend_memory_) & 127)) * 16); \ *stack_extend_dummy_memory_ = 0; \ asm volatile("mov %%rsp, %%rbx\nmov %%rax, %%rsp" \ : "=b"(stack_extend_origin_memory_) \ : "a"((char *)stack_extend_memory_ + (size)-1024)); #define END_STACK_EXTEND \ asm volatile("mov %%rax, %%rsp" ::"a"(stack_extend_origin_memory_)); \ free(stack_extend_memory_); #line 2 "main.cpp" int main() { int n; cin >> n; vector h(n), t(n); rep(i, n) cin >> h[i]; rep(i, n) cin >> t[i]; int q; cin >> q; vector> v(n); vector v2(n); { rep(i, n) v[i] = make_tuple(h[i], -t[i], i); int cnt = -1, idx = -1; sort(all(v)); rep(i, n) { if (chmax(cnt, -get<1>(v[i]))) idx = get<2>(v[i]); v2[i] = idx; } } vector> tb(30, vector(n)); rep(i, n) { int idx = lower_bound(all(v), make_tuple(t[i], IINF, IINF)) - v.begin() - 1; if (idx == -1) tb[0][i] = i; else tb[0][i] = v2[idx]; } rep(j, 29) { rep(i, n) { tb[j + 1][i] = tb[j][tb[j][i]]; } } auto get = [&](int x, int fst) -> int { int cnt = 0, res = fst; while (x) { if (x % 2) { res = tb[cnt][res]; } x /= 2; cnt++; } return res; }; while (q--) { int p, q; cin >> p >> q; p--; q--; if (t[p] >= h[q]) { cout << 1 << endl; } else { int ng = 0, ok = 1LL << 20; while (ok - ng > 1) { lint m = (ok + ng) / 2; if (t[get(m, p)] >= h[q]) { ok = m; } else { ng = m; } } if (ok >= 1LL << 19) { ok = -2; } cout << ok + 1 << endl; } } }