UID: 22215, Registered at 2025-9-14 18:59:57, last login at 2025-12-12 14:08:00, currently offline.
Solved 16 problems, RP: 53.5 (No. 4768)
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