UVA12338 Anti-Rhyme Pairs

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3760 [PDF](https://uva.onlinejudge.org/external/123/p12338.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12338/ee67a46560d44119765f5445fd4050ae0895eeae.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12338/6399ee1f4368ca5fec0ff4c75e6fa4da528851f0.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12338/6595ff59824c0be4d27faf99d37b2397c4966a70.png)