#include <bits/stdc++.h>
using namespace std;
int N, Q, p, k;
int arr[100010];
pair<int, int> ans[100010];
int cnt;
pair<pair<int, int>, int> query[100010];
int res[100010];
int solve(int P, int K) {
  if (P > N) {
    return 0;
  }
  if (ans[P].first == K) {
    return ans[P].second;
  }
  ans[P] = make_pair(K, 1 + solve(P + K + arr[P], K));
  return ans[P].second;
}
int32_t main() {
  ios_base::sync_with_stdio(false);
  if (fopen("cf797e.in", "r")) {
    freopen("cf797e.in", "r", stdin);
    freopen("cf797e.out", "w", stdout);
  }
  cin >> N;
  for (int i = 1; i <= N; i++) {
    cin >> arr[i];
  }
  cin >> Q;
  for (int i = 0; i < Q; i++) {
    cin >> p >> k;
    query[i] = (make_pair(make_pair(k, p), i));
  }
  sort(query, query + Q);
  for (int i = 0; i < Q; i++) {
    res[query[i].second] = solve(query[i].first.second, query[i].first.first);
  }
  for (int i = 0; i < Q; i++) {
    cout << res[i] << '\n';
  }
  return 0;
}
