UID: 30158, Registered at 2026-3-16 10:53:07, last login at 2026-3-16 10:57:16, currently offline.
Solved 12 problems, RP: 53.5 (No. 9501)
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