UVA10247 Complete Tree Labeling

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1188 [PDF](https://uva.onlinejudge.org/external/102/p10247.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10247/56b32b8c127bfe5ee4af5332aa3c7afe62e755cb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10247/ea02ba955f3b65e9cc24cc2ec7f3e33fa12fe0e9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10247/f1b3604444a723ca59ed90718e18ada199825a8e.png)