Coding (Algo)

Total Readings Across Requested Periods

Algorithm: Prefix sum Difficulty: Easy Time: 25 minutes

Goal

Return one exact total for each requested inclusive period in the original query order.

What this task practices

Total Readings Across Requested Periods is a coding (algo) interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as easy difficulty. It focuses on Technical Reasoning, Testing, Validation. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.