#include <bits/stdc++.h>
using namespace std;
int a[100005];
const int high = 400;
int dp[high + 1][100005];
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) cin >> a[i];
  for (int k = 1; k <= high; k++)
    for (int p = n; p >= 1; p--) {
      if (p + k + a[p] > n)
        dp[k][p] = 1;
      else
        dp[k][p] = 1 + dp[k][p + k + a[p]];
    }
  int p, k, q;
  cin >> q;
  while (q--) {
    cin >> p >> k;
    if (k <= high)
      cout << dp[k][p] << "\n";
    else {
      int c = 0;
      while (p <= n) {
        c++;
        p = p + k + a[p];
      }
      cout << c << "\n";
    }
  }
}
