UVA11697 Playfair Cipher

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2744 [PDF](https://uva.onlinejudge.org/external/116/p11697.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11697/4a0531bc5eacdc4e88cb7ca545c97fb40631e896.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11697/74156dd504a410f78e75db8985cb20c058a3c6f8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11697/6df93439e0e7e153b1a7e18423f0d588041c26a7.png)