NeetCode #351LC-150MediumStackNC 150NC 250
← Back to All Problems#351 · #150 · Evaluate Reverse Polish Notation(逆波兰表达式求值)
📌 Problem Statement & Constraints
You are given an array of strings
tokens representing an arithmetic expression in Reverse Polish Notation. Evaluate it and return the integer result. Valid operators are +, -, * and /, and division truncates toward zero. Constraints: 1 <= tokens.length <= 10^4; the expression is always valid.🔒
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