Skip to content
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 > Palindrome, Roughly > Editorial

Palindrome, Roughly — Solution & Editorial

Filter to alphanumeric characters, lowercase them, and compare with the reverse (or use two pointers skipping non-alphanumerics).

Complexity: O(length)