UID: 39323, Registered at 2026-5-5 12:22:40, last login at 2026-6-29 10:17:12, currently offline.
Solved 3 problems, RP: 20.1 (No. 13346)
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