UVA11441 Encoding/Decoding

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2436 [PDF](https://uva.onlinejudge.org/external/114/p11441.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11441/b33cabf2234f09ab94b9b7a5b625d980b38d4b30.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11441/639b8df24dc34a60ebde22cec73a2ad044487eda.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11441/6463853a9ff6eb8f24c0b797cd1e8c4c14abbbad.png)