1/n要改成1/(double)n
by BCZSX @ 2018-12-22 21:14:11
希望更丰富的展现？使用Markdown
by std_DFS @ 2019-01-18 18:32:54
[戳这里](https://www.luogu.org/wiki/show?name=%E5%B8%AE%E5%8A%A9%EF%BC%9Amarkdown)
by std_DFS @ 2019-01-18 18:34:43
我的也是，什么问题？？
by superB @ 2019-02-02 09:24:22