UVA10729 Treequivalence

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1670 [PDF](https://uva.onlinejudge.org/external/107/p10729.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10729/eeb1c9ba08d8ad1de7abae5271d1481e385896c3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10729/ec9eb6681a2dd3d63de18b85b1aad97b963cd985.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10729/00151cedc56585d68cf63187a4dc764a61e238ac.png)