原题链接:http://oj.leetcode.com/problems/evaluate-reverse-polish-notation/ 题目描述: Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some example…
题目: 根据逆波兰表示法,求表达式的值. 有效的运算符包括 +, -, *, / .每个运算对象可以是整数,也可以是另一个逆波兰表达式. Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. 说明: 整数除法只保留整数部分. 给定逆…