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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int arr[51000];
  6.  
  7. int main() {
  8. 	int n, r;
  9. 	cin >> n >> r;
  10. 	for (int i = 0; i < n; i++) {
  11. 		cin >> arr[i];
  12. 	}
  13. 	sort(arr, arr+n);
  14. 	int ans = 0;
  15. 	for (int i = 0; i < n; ) {
  16. 		int j = i;
  17. 		while (j < n && arr[j] <= arr[i] + r) {
  18. 			j++;
  19. 		}
  20. 		j--;
  21. 		int k = j;
  22. 		while (k < n && arr[k] <= arr[j] + r) {
  23. 			k++;
  24. 		}
  25. 		i = k;
  26. 		ans++;
  27. 	}
  28. 	cout << ans << endl;
  29. }
Success #stdin #stdout 0s 5424KB
comments (?)
stdin
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15 50
0 50 95 96 97 98 99 100 101 102 103 104 105 150 200
stdout
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2
https://ideone.com/T8dmcV
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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