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  1. #include<stdio.h>
  2. #include<algorithm>
  3. using namespace std;
  4. int a[121];
  5. int main() {
  6. 	int n, i, j, ans = 0;
  7. 	scanf("%d", &n);
  8. 	for (i = 0; i < n; i++) scanf("%d", &a[i]);
  9. 	sort(a, a + n);
  10. 	for (i = 0; i < n; i++) {
  11. 		int l = i, k = 1;
  12. 		while (1) {
  13. 			int now = l;
  14. 			while (l>0&&a[now] - k <= a[l - 1])l--;
  15. 			if (now == l)break;
  16. 			k++;
  17. 		}
  18. 		int r = i; k = 1;
  19. 		while (1) {
  20. 			int now = r;
  21. 			while (r<n-1 && a[r + 1] <= a[now] + k)r++;
  22. 			if (now == r)break;
  23. 			k++;
  24. 		}
  25. 		if (ans < r - l + 1)ans = r - l + 1;
  26. 	}
  27. 	printf("%d", ans);
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 4520KB
comments (?)
stdin
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6
8
5
6
13
3
4
stdout
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5
https://ideone.com/nNXiXp
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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