go語言的排序:golang
http://www.javashuo.com/article/p-abtxdlev-t.html.net
go語言去重:blog
https://blog.csdn.net/qq_27068845/article/details/77407358排序
經過構造set去重(go中沒有set):get
https://studygolang.com/articles/3291qq