UVA1635 无关的元素 Irrelevant Elements

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=825&page=show_problem&problem=4510 [PDF](https://uva.onlinejudge.org/external/16/p1635.pdf)

Input Format

N/A

Output Format

N/A