UVA12510 Collecting Coins

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=441&page=show_problem&problem=3954 [PDF](https://uva.onlinejudge.org/external/125/p12510.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12510/6979d3d87c66290b87752e2fd8f0ee8f0202b3eb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12510/c8ac0de3821fddb7036ed1e700987b746d931919.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12510/d844e33b22beac1b7d30402b72b4f3a145dc05ad.png)