UID: 27301, Registered at 2025-12-31 20:46:58, last login at 2026-1-1 7:56:49, currently offline.
Solved 18 problems, RP: 58 (No. 5584)
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