UID: 17453, Registered at 2025-4-16 15:03:22, last login at 2026-3-25 20:29:58, currently offline.
Solved 12 problems, RP: 33 (No. 8211)
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