UVA1144 Find the Walls

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=246&page=show_problem&problem=3585 [PDF](https://uva.onlinejudge.org/external/11/p1144.pdf)

Input Format

N/A

Output Format

N/A