#include<bits/stdc++.h>
using namespace std;
const int N=2e5+3;
const long long inf=1e18+3;
#define ll long long
#define fi first
#define se second
#define pi pair
int a[N];
int main(){
cin.tie(0)->sync_with_stdio(0);
int n,k;
cin>>n>>k;
for(int i=1;i<=n;i++){
cin>>a[i];
}
int kq=0;
for(int i=1;i<=n;i++){
if(a[i-1]+k < a[i]){
kq++;
a[i]=a[i]-(a[i]-a[i-1]-k);
}
}
cout<<kq<<" ";
}
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