Diamond Collector

#include<bits/stdc++.h>
using namespace std;

int arr[1001];

void solve(){
    int n,k;
    cin>>n>>k;

    for(int i=1;i<=n;i++){
        cin>>arr[i];
    }

    sort(arr+1,arr+1+n);

    int ans=0;
    for(int i=1;i<=n;i++){
        int co=1;

        for(int j=i+1;j<=n;j++){
            if(abs(arr[i]-arr[j])<=k)co++;
        }

        ans = max(ans,co);
    }

    cout<<ans<<endl;
}


int main()
{
    freopen("diamond.in", "r", stdin);
    freopen("diamond.out", "w", stdout);
    int tc=1;
    //scanf("%d",&tc);

    while(tc--){
        solve();
    }
}