UVA11521 压缩 Compressor

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2516 [PDF](https://uva.onlinejudge.org/external/115/p11521.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11521/f9b500d53a3a2ad55f34ffacfd414b6680c8c221.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11521/8221cc93c3a0d08e5ebab5133bda9c4cbcb123b7.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11521/235e208fdf8e87849b777e0ef5216464604a12ef.png)