Count Faults

amazon

Problem Overview

  • Task: Implement countFaults to count how many times a server is replaced after three consecutive 'error' logs for the same ID.
  • Input: n servers and m log lines in '<server_id> success|error' format; Output: integer replacements count.
  • Context: Prototype service to detect and swap faulty servers to improve application availability.
  • Constraints: 1 <= n <= 200; 1 <= m <= about 2×10^4.
  • From Amazon interviews; a coding interview problem and common interview question.

Example

Unlock to view complete problem details

and practice with sample input/output

Was this article helpful?

View Test Cases & Run Code requires membership

Input Variables
Execution Result: