#include <bits/stdc++.h>
#define int int64_t
using ll = int64_t;
using namespace std;
constexpr int maxn = 1E5 + 1;
void orz() {
int n, k;
cin >> n >> k;
vector <int> a(n + 1);
for(int i = 1; i <= n; ++i) cin >> a[i];
vector <int> dp(n + 1, LLONG_MIN);
dp[0] = 0;
int cur = 1;
int last = 0;
int cnt = 0;
for(int i = 1; i <= n; ++i) {
if(cur * k >= a[i] - last) {
last = a[i];
cnt++;
cur = 1;
}
}
cout << n - cnt;
}
int32_t main() {
ios_base::sync_with_stdio(false), cin.tie(nullptr);
//freopen("promote.in", "r", stdin);
//freopen("promote.out", "w", stdout);
int T = 1;
//cin >> T;
while(T--) orz();
return 0;
}
