UVA11746 Finding the Transmitter Again

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2846 [PDF](https://uva.onlinejudge.org/external/117/p11746.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11746/e5398d0e03fdc6dc4ee36fb48f0eef1a20d32e2f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11746/c8b96e5d6085826658c289ca11ae2a433d67226f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11746/adccc8e9531a1241b873d44d9f2c4acdf72f226f.png)