UVA10821 Constructing BST

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1762 [PDF](https://uva.onlinejudge.org/external/108/p10821.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10821/0bcc8eeaf6511a41f8cb56916cb757552dd5155b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10821/406b097b025408910ee6ce00517c80abc4bb7095.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10821/58c73dbe0971896e5e9b5fdb9a24d360a12b8c44.png)