Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: 逆波兰表示法计算机,很简单 ,就是一个stack 由符号弹出计算在填入就行了 最后top上的就是计算的最后的结果. class Solution…
[抄题]: Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Note: Division between two integers should truncate toward zero. The given RPN expr…
Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Note: Division between two integers should truncate toward zero. The given RPN expression…
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…
Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expression. Note: Division between two integers should truncate toward zero. The given RPN expression…
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…