#include using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair #define debug(v){{rep(_,v.size())cout << v[_] <<" ";}cout<< endl;} template inline bool chmax(A& a, const B& b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A& a, const B& b) { if (a > b) { a = b; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vectorh(n), t(n);//org rep(i, n)cin >> h[i]; rep(i, n)cin >> t[i]; auto ch = h; sort(all(ch)); vectorv(n); rep(i, n)v[i] = i;//trans sort(all(v), [&](int i, int j) {return h[i] < h[j]; }); vectoridx(n);//rev rep(i, n)idx[v[i]] = i; vector>doubling(20, vector(n)); rep(i, n) { int cnt = upper_bound(all(ch), t[i]) - ch.begin(); doubling[0][v[i]] = cnt - 1; } rep2(i, 1, 20) { int idx = -1; int mx = -1; rep(j, n) { if (chmax(mx, doubling[i - 1][j]))idx = j; if (-1 == doubling[i - 1][j])continue; doubling[i][j] = max(doubling[i - 1][idx], doubling[i - 1][doubling[i - 1][idx]]); } } //rep(i, 20)debug(doubling[i]); int q; cin >> q; while (q--) { int a, b; cin >> a >> b; a--, b--; a = v[a]; b = v[b]; if (doubling[19][a] < b) { cout << -1 << endl; continue; } int ans = 0; rrep(i, 20) { if (doubling[i][a] < b) { ans += 1 << i; a = doubling[i][a]; } } ans++; cout << ans << endl; } return 0; }