UID: 19044, Registered at 2025-6-5 11:53:09, last login at 2026-3-4 14:31:38, currently offline.
Solved 19 problems, RP: 69 (No. 5695)
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