UID: 24071, Registered at 2025-9-28 14:49:15, last login at 2025-12-6 22:07:51, currently offline.
Solved 17 problems, RP: 45 (No. 6338)
By signing up a CodeFun2000 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your CodeFun2000 universal account