UVA316 Stars

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=5&page=show_problem&problem=252 [PDF](https://uva.onlinejudge.org/external/3/p316.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA316/aff3ae00af213c6314b3ac1bf5f780bac8a53b89.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA316/4fb42c20973ecd29d78888e8eb4707c7733dcfc3.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA316/76cde0b149dc0fdac69ae33d88de50afde438b86.png)