UVA665 False coin

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=606 [PDF](https://uva.onlinejudge.org/external/6/p665.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA665/8f1e6ab24ae0812fc39c60e69351b9ca806ca71a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA665/5392bd63de85de9c75116c18805ab931e32248fd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA665/de7934e436c2efc22313e5e69a6fb25b09d9f5f4.png)