UVA12803 Arithmetic Expressions

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4668 [PDF](https://uva.onlinejudge.org/external/128/p12803.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12803/ff561a5ef717ea791cfaffba677fa77144cd4ffc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12803/b17ece5ced7895b1d62fa93f1059c6e4df5c1953.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12803/ffae9deb4cde0a572122bc329492008d8f91688c.png)