UVA10905 Children's Game

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1846 [PDF](https://uva.onlinejudge.org/external/109/p10905.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10905/dc4a77b5c7fcd4263a77dce67a8c38a2719a9c8f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10905/e4828785063bf8284cc490d5239b125c5bfa4b2a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10905/14b342ac43a9c6d5964766b146c7395a5df8db65.png)