UVA12244 Growing Strings

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3396 [PDF](https://uva.onlinejudge.org/external/122/p12244.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12244/26db96851384bbba521dac568e425154c6adb736.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12244/ee311e97d4628659ef7ec02d3624d3fd03b5d0f6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12244/b7c9da62f1f0aa5171179791cc04665f756ae87a.png)