代码：

#include<bits/stdc++.h>
using namespace std;
#define qwq ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)

int main()
{
	qwq;
	int n, m;
	double l, r = 10000000000;
	scanf("%d %d", &n, &m);
	for (int i = 1; i <= n; i++)
	{
		int x;
		cin >> x;
		l = max(l, double(m / (i * x)));
		r = min(r, double(m / ((x - 1) * i)));
	}
	if (r == 10000000000) printf("xiaogougege");
	else if (r - ceil(l) + 1 <= 0) printf("0");
	else printf("%d", r - ceil(l) + 1);
	return 0;
}