UVA12493 Stars

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3937 [PDF](https://uva.onlinejudge.org/external/124/p12493.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12493/82e0495f1fc1ffa74b94ac0e163d4b216268f586.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12493/3ea0d8a8277c956cf5cdd1ccb9e26e8939d3dafd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12493/37950ed9f6eab47e66672c788deccd4433091324.png)