UVA12087 Collecting Marbles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3239 [PDF](https://uva.onlinejudge.org/external/120/p12087.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12087/1090b2fec1fd7f785d75699ac89ea46a6c82452c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12087/acddb378a7832439bc49440eee240547894117ab.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12087/b3d3fdd91390aab15c3a2b45890ae3cad3ebbd3e.png)