#include <cstdio>
#include <algorithm>
#include <set>
#include <queue>
using namespace std;

const int N = 300000;

int n,d;
pair<int,int> a[N];
int m[N];

bool pair_cmp_second ( const pair<int,int> &a, const pair<int,int> &b ) { return a.second < b.second; }

int main() {
	freopen("partitie.in","rt",stdin);
	freopen("partitie.out","wt",stdout);
	scanf("%d %d",&n,&d);
	for (int i = 0; i < n; ++i) {
		scanf("%d",&a[i].first);
		a[i].second = i;
	}
	sort(a,a+n);
	// A walk in the park :)
	deque<int> deq;
	set<int> mult;
	int max = 0;
	m[0] = 1; deq.push_back(0); mult.insert(1);
	for (int i = 1; i < n; ++i) {
		while (!deq.empty() && a[deq.front()].first <= a[i].first-d) {
			mult.erase(mult.find(m[deq.front()]));
			deq.pop_front();
		}
		if (deq.size() == 0) {
			m[i] = 1;
		} else {
			set<int>::iterator x;
			if ((*(mult.begin())) == 1) {
				x = mult.end();
				--x;
				m[i] = (*x)+1;
			} else {
				x = mult.begin();
				m[i] = (*x)-1;
			}
		}
		mult.insert(m[i]);
		deq.push_back(i);
		if (deq.size() > max) max = deq.size();
	}
	// Back home
	for (int i = 0; i < n; ++i) a[i].first = i;
	sort(a,a+n,pair_cmp_second);
	printf("%d\n",max);
	for (int i = 0; i < n; ++i) {
		printf("%d\n",m[a[i].first]);
	}
	return 0;
}