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 > Find the Peak > Editorial

Find the Peak — Solution & Editorial

Back to the Problem

Binary search on the slope: if a[mid] < a[mid+1] the peak is to the right, otherwise it is at mid or to the left.

Complexity: O(log N)