UVA10679 I Love Strings!!

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1620 [PDF](https://uva.onlinejudge.org/external/106/p10679.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10679/7dd5d1f21b9abb36a6b53e24278094fd364a0fc0.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10679/da9a5e71fd6c75c71d7cae14faa5701d081d0de2.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10679/647cb2a086ccda8651ad4c466697073f98ad1f60.png)