What is luogu?

Revision en1, by thelastdinner, 2022-06-02 16:24:26

I have been seen so much 'luogu' in the comment for serval days. What is it?

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en1 English thelastdinner 2022-06-02 16:24:26 90 Initial revision (published)