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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int main() {
  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.  
  13. 	int i=0;
  14. 	int j=0;
  15. 	int ans=0;
  16.  
  17. 	while(j<n){
  18. 		int d = arr[j]-arr[i];
  19. 		while(d>k && i<=j){
  20. 			i++;
  21. 		if(i!=n){
  22. 			d=arr[j]-arr[i];
  23. 		}
  24. 		}
  25.  
  26. 		if(d<=k){
  27. 			ans = max(ans,j-i+1);
  28.  
  29. 		}
  30.  
  31. 		j++;
  32.  
  33. 	}
  34.  
  35. 	cout<<ans<<endl;
  36.  
  37. 	return 0;
  38. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
11 30 
5 9 20 22 28 35 60 350 358 359 360
stdout 
6
https://ideone.com/vQswOg
language:
C++14 (gcc 8.3)
created:
4 days ago
visibility:
public

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