记得早在几十天以前,xty 学长曾让我学这个.一直推到了现在哈 咕咕咕(能鸽善鹉orz) 抱歉,学妹我来还愿了! 中缀表达式比较适合人类的计算,但是后缀表达式更适合机器计算(毕竟没有那么多运算符优先级) 下面贴一个中缀转后缀的代码 需要用到栈和队列还有map的知识(我还不太熟练orz) // // Created by snnnow on 2020/5/24. // // // Created by Arc on 2020/5/24. // //总原则: /* 中缀转后缀C++代码实现(比较方便…
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", "*"] -&g…
[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…