Get Total Requests

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Problem Overview

  • Compute the total number of requests each day as server IDs change due to maintenance replacements.
  • Input: server[] initial IDs, replaced[] target IDs per day, newId[] replacement IDs; Output: array of daily totals.
  • Context: simulates cloud server operations where all servers with a given ID are swapped for new capacity.
  • Constraints: 1 ≤ n ≤ 1e5, values up to 1e4, 1-based indexing.
  • From Amazon interviews; a coding interview problem and common interview question.

Example

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