# Optimize Parentheses Sequence Efficiency — Coding Question Aced (formerly Exponent) publishes a public search API over its indexed pages; the guide is at https://www.aced.io/agents/agent-access. Source: https://www.aced.io/questions/4817/optimize-parentheses-sequence-efficiency Source observed: 2026-11-05T00:47:46.744Z Last checked: 2026-11-05T00:47:46.744+00:00 Indexed: 2026-11-07T03:01:40.024+00:00 --- # Optimize Parentheses Sequence Efficiency We provide this coding interview question for **Software Engineer** candidates. It is categorized under **Coding** and is associated with **Amazon**. The question was last asked **2 years ago** at the time shown on the page. ## Question Given a string of parentheses types and an array of their efficiency ratings, write a function to find the most efficient valid parentheses sequence that can be formed. Return its total efficiency score. The page does not include an editorial solution, input/output examples, constraints, or efficiency-rating values. 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