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Evaluate Reverse Polish Notation | Amazon Interview Question | Leetcode 150
Автор: LeetCode Spark
Загружено: 2024-10-07
Просмотров: 106
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Evaluate Reverse Polish Notation (RPN) expressions using a stack! 🧮 This problem was asked in an Amazon interview and is solved by traversing the tokens. For each operator, pop the last two numbers from the stack, perform the operation, and push the result back. For numbers, simply push them onto the stack.
This solution runs efficiently in O(n) time, handling all arithmetic operations. Ideal for stack-based problems! 🚀 #coding #leetcode #amazon #stack #stackproblems #amazoninterview #programmingtips #techshorts
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