#include <bits/stdc++.h>
using namespace std;
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
  cerr << name << ": " << arg1 << endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << ": " << arg1 << " |";
  __f(comma + 1, args...);
}
const int INF = 1 << 30;
const int N = 1e5 + 10;
const int K = 300;
int a[N];
int dp[K][N];
int main() {
  int n, m;
  scanf("%d", &n);
  for (int i = 0; i < n; ++i) {
    scanf("%d", &a[i]);
  }
  for (int k = 1; k < K; ++k) {
    auto& cur = dp[k];
    cur[n - 1] = 1;
    for (int i = n - 2; i >= 0; --i) {
      int nxt = a[i] + i + k;
      cur[i] = nxt >= n ? 1 : 1 + cur[nxt];
    }
  }
  scanf("%d", &m);
  while (m--) {
    int p, k;
    scanf("%d%d", &p, &k);
    --p;
    if (k < K) {
      printf("%d\n", dp[k][p]);
      continue;
    }
    int ret = 0;
    for (; p < n; p = p + k + a[p]) ++ret;
    printf("%d\n", ret);
  }
  return 0;
}
