UVA10139 Factovisors

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1080 [PDF](https://uva.onlinejudge.org/external/101/p10139.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10139/b1e8c9bbd96904954d986e71722fea1e2c9c73c3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10139/b495127cf765873622a7074bb4b9c472329792c0.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10139/fb0b1fcc8f4ead34abbe736ad7770382751c5e20.png)