This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define fr first
#define se second
#define rep(i,a,b) for(int i = a; i < (b); ++i)
#define rrep(i,a,b) for(int i = a; i > (b); --i)
#define sz(x) (int)(x).size()
#define all(x) (x).begin(),(x).end()
#define IN(i,l,r) (l<i&&i<r)
#define pb push_back
#define ones __builtin_popcountll
using namespace std;
using namespace __gnu_pbds;
template <class T>
using OSTree = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
typedef pair<int,int> pi;
typedef vector<int> vi;
typedef vector<long long> vll;
typedef long long ll;
int n,m;
vi A;
int main(){
cin.tie(0)->sync_with_stdio(false);
cin >> n >> m;
A = vi(n);
rep(i,0,n) cin >> A[i];
vector<bool> reach(n);
pi prev = {0,-1};
rep(i,0,n){
if(A[i] <= prev.fr + (i-prev.se)*m){
reach[i] = true;
prev = {A[i],i};
}
}
cout << n - accumulate(all(reach),0) << '\n';
}
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