UVA12891 Risk of Trading

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4756 [PDF](https://uva.onlinejudge.org/external/128/p12891.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12891/4aa8d4b62308b77d668c95bb0b87a58e65a4e5cb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12891/60c56380aa8d23a2dc0834407a8ce62b699369ec.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12891/870d5c778993fb08ac00c514fc3951cc78a82081.png)