UVA12932 Defeat the Wrong Program

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4811 [PDF](https://uva.onlinejudge.org/external/129/p12932.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12932/69892e932ca42fc9b5dfa7cbeede61f501d41991.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12932/2a18ad64e17620235b014e8babf50d9f0240ba46.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12932/1f018552c402018dff5f2bd371b7c2c3cc19ccfa.png)