Contest Clarifications

Problem 1001 如何定义一个五角星？

dennisyang | 2015-11-14 19:02:22Author

RT

dennisyang | 2015-11-14 19:02:36# 1

就是说五角星是怎么定义的。

admin | 2015-11-14 19:03:02# 2

wiki百科有

admin | 2015-11-14 19:03:21# 3

正五角星

admin | 2015-11-14 19:04:31# 4

https://en.wikipedia.org/wiki/Pentagram