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 > The Longest Palindrome, Fast > Editorial

The Longest Palindrome, Fast — Solution & Editorial

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Manacher gives every center's maximal radius in O(n); odd centers yield length 2r−1, even centers 2r.

Complexity: O(|S|)