#include<bits/stdc++.h>
using namespace std;
int n, a[100005], m, b[100005][320];
signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> n;
	m = sqrt(n) + 1;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	for (int i = n; i >= 1; i--) {
		for (int j = 0; j <= m; j++) {
			if (j + a[i] + i > n) {
				b[i][j] = 1;
			} else {
				b[i][j] = b[j + a[i] + i][j] + 1;
			}
		}
	}
	int p, q, k, cnt;
	cin >> k;
	for (int i = 1; i <= k; i++) {
		cin >> p >> q;
		if (q <= m) {
			cout << b[p][q] << "\n";
		} else {
			cnt = 0;
			while (p <= n) {
				p = a[p] + q + p;
				cnt++;
			}
			cout << cnt << "\n";
		}
	}
}