UVA12654 Patches

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=602&page=show_problem&problem=4383 [PDF](https://uva.onlinejudge.org/external/126/p12654.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12654/f661b89cac03a11947f0f7a7c7a4a91b92f86d63.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12654/009fdd22e3a6430ad4f96714c2fe997569f08e29.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12654/63619cc2804b77267ac26be71e52c38474c6970e.png)