#include <bits/stdc++.h>
using namespace std;
int getLargest(vector<int>& arr,int k){
int diff=0;
int n=arr.size();
int largest=-10000;
for(int i=0,j=0;j<n;j++){
diff=arr[j]-arr[i];
while(diff>k){
i++;
diff=arr[j]-arr[i];
}
int len=j-i+1;
largest=max(largest,len);
}
return largest;
}
int main() {
// your code goes here
int n;
cin>>n;
vector<int>arr(n);
for(int i=0;i<n;i++){
cin>>arr[i];
}
int k;
cin>>k;
int maxi=getLargest(arr,k);
cout<<"The maximum buildings are covered in given degree range is"<<maxi;
return 0;
}
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