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 > Enough Buses > Editorial

Enough Buses — Solution & Editorial

Back to the Problem

Ceiling division: (N + S − 1) / S in integers.

Complexity: O(1) or O(log)

Watch out: N + S can overflow if both are near the top in 64-bit unsigned mixing — compute carefully or use N/S + (N%S != 0).