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 Missing Number > Editorial

The K-th Missing Number — Solution & Editorial

Back to the Problem

Before index i (0-based), exactly a[i] − (i+1) numbers are missing. Binary search the first index where that count reaches K; the answer is lo + K.

Complexity: O(log N)