UVA11070 The Good Old Times

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=22&page=show_problem&problem=2011 [PDF](https://uva.onlinejudge.org/external/110/p11070.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11070/1f47ef217b8eebd9e618ca315376a80e4d405ac1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11070/f4f1264978e0b3c4fd396d590e81a1a813e45e32.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11070/574495bd462a5100a39b2918f8ff08bbe0d2007f.png)