Hiring process8 levels
  1. 1 IQ Test
  2. 2 Additional Online Test (If Required)
  3. 3 Office Interview with Hiring Manager
  4. 4 Unpaid Test Task (Motivation Check)
  5. 5 Paid Test Task and Follow-Up Interview
  6. 6 Iterative Paid Test Tasks
  7. 7 Office Verification
  8. 8 Final Interview with the Founder

Problems > Login Streak

Login Streak

Difficulty: 1100 3000 ms 128 MB

sorting

Login timestamps are day numbers (repeats possible, unordered). Print the longest run of CONSECUTIVE days with at least one login.

Input: the first line has N; the second line has the N day numbers.

Output: the longest consecutive-day streak.

Constraints:

  • 1 ≤ N ≤ 105
  • 1 ≤ day ≤ 109

Sample Tests

Input 1
6
3 1 2 7 8 2
Output 1
3
Input 2
1
5
Output 2
1

Read the Editorial Statistics

Discussion (opens after you solve — no spoilers before)

No comments yet.

Submit Your Solution

Log in or create a free account to run and submit code.
Ctrl+Enter submit · Ctrl+Space autocomplete · F11 fullscreen