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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n,k;
  7. 	cin>>n>>k;
  8. 	vector<int> arr(n);
  9. 	for(int i=0;i<n;i++){
  10. 		cin>>arr[i];
  11. 	}
  12. 	int diff =0;
  13. 	int i=0,j=0;
  14. 	int ans = 0;
  15. 	while(j<n){
  16. 		diff = abs(arr[j]-arr[i]);
  17. 		if(diff<=k){
  18. 			ans=max(ans,j-i+1);
  19. 		}else if(diff>k){
  20. 			while(diff>k&&i<=j){
  21. 				diff = abs(arr[j]-arr[i]);
  22. 				i++;
  23. 			}
  24. 		}
  25.  
  26. 		j++;
  27. 	}
  28. cout<<ans;
  29.  
  30. 	return 0;
  31. }
Success #stdin #stdout 0.01s 5268KB
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https://ideone.com/DH2yWd
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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