UVA11580 Finding the Transmitter

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2627 [PDF](https://uva.onlinejudge.org/external/115/p11580.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11580/e88050d0480b2deedc941baa149855853171477a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11580/c6da4b2e6ae407a20d3afe377a9b6d4518f745eb.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11580/04d1afc230654aff0c9eea4cd3ddfdd24b9d78bc.png)