UVA12029 Flying Spaceships

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3180 [PDF](https://uva.onlinejudge.org/external/120/p12029.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12029/e2a5d3e97f371156bfd1f69d2a33d80417f11990.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12029/9f9e56ccdede7c37425f5ef26e1b389360ce2711.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12029/101a5234f6821acb729acce045796a58c00c1d86.png)