UVA12273 Palindromic DNA

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3425 [PDF](https://uva.onlinejudge.org/external/122/p12273.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12273/fdef28d58242efe1ce0badfe989c70391eac067c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12273/af9557a50f46981896d3992fee12e350c876a989.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12273/252987957ccad0bd952f937c949bf811720d2a6e.png)