UVA10562 看图写树 Undraw the Trees

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=17&page=show_problem&problem=1503 [PDF](https://uva.onlinejudge.org/external/105/p10562.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10562/f0850f17d3b7fd05a4f017b66071bb9b195414cf.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10562/d1b527a6fee1ce1d5f66bc18268c8ed382a38116.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10562/6bd879732974abf42ea96b6433d8c543c88d9f25.png)