Stacks and queues make up of Meta interviews. The must-know problems are Minimum Remove to Make Valid Parentheses (Meta's most asked overall), Valid Parentheses, Min Stack, and Daily Temperatures. Stacks handle nested structures and matching naturally. Monotonic stacks solve next greater or smaller element problems in . Deques enable efficient sliding window operations. Always ask: does the problem involve matching, nesting, or maintaining order? If yes, consider stacks or queues first.
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$ curl repovive.com/roadmaps/meta-interview-prep/stacks-queues/section-recap
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