LeetCode2_Evaluate Reverse Polish Notation评估逆波兰表达式（栈）

题目：

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:

  ["2", "1", "+", "3", "*"] -> ((2 + 1) * 3) -> 9
  ["4", "13", "5", "/", "+"] -> (4 + (13 / 5)) -> 6

参考链接：

https://www.cnblogs.com/dolphin0520/p/3708587.html

标签：13,LeetCode2,Reverse,Notation,Evaluate,Polish,expression
来源： https://www.cnblogs.com/grooovvve/p/10825874.html