UVA12982 Build Towers

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4865 [PDF](https://uva.onlinejudge.org/external/129/p12982.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12982/4377078b9966e252eac4ae304bc6062d0d503420.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12982/f302b4a784752eafdb3289f5344c501da7bb247e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12982/25328298a47dc60c19efcdc46fa45a9b3e260e7b.png)