UID: 26173, Registered at 2025-11-8 21:03:46, last login at 2026-1-20 9:24:00, currently offline.
Solved 8 problems, RP: 27 (No. 12860)
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