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 K-th Distinct Substring > Editorial

The K-th Distinct Substring — Solution & Editorial

Back to the Problem

Walk the suffix array in order; suffix i contributes (n−sa[i]−lcp[i]) new distinct substrings (those not shared with the previous suffix). Locate the block containing K and slice.

Complexity: O(n log n)