UVA12834 Extreme Terror

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4699 [PDF](https://uva.onlinejudge.org/external/128/p12834.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12834/42354113143f40e30bf7b0be7c4621f6cdc3c193.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12834/d3799d9b33efa06a47db85604006d36b97787253.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12834/4cd104ba50e36771b28408cf3a07aca09dfcbaca.png)