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 > A Row of Pascal's Triangle > Editorial

A Row of Pascal's Triangle — Solution & Editorial

Back to the Problem

Build multiplicatively: C(n,k) = C(n,k−1)·(n−k+1)/k. Exact big integers make the division trivial in Python; in C++ use modular inverses of k.

Complexity: O(N)