UVA11029 Leading and Trailing

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=22&page=show_problem&problem=1970 [PDF](https://uva.onlinejudge.org/external/110/p11029.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11029/f2fc5cea91196fedb84d3e9ebaa52fea2e3e2d74.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11029/00ec8df5ae1a0fe9ce317be8ee541b21bf9ad2f6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11029/17604df544caad6895943e26c7a25319e7235422.png)