UVA10828 Back to Kernighan-Ritchie

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1769 [PDF](https://uva.onlinejudge.org/external/108/p10828.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10828/50222531378b4c77951f3230c20499f6b2f0f4d5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10828/1a792ecf3ec9b1379d59117bae4e81d6df46171f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10828/5ce0b63bcfa63601a62747c85fe7a7b9f3a13bb7.png)