UVA10518 How Many Calls?

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=17&page=show_problem&problem=1459 [PDF](https://uva.onlinejudge.org/external/105/p10518.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10518/363439585d2058106e26e4ff4e4fdc99bb2fba1e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10518/d70a1055947759efc7a1a4ab0328ebae1d229f80.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10518/fced2e0b91c4d89d2a3bf4ed59774db3968c203a.png)