UID: 42228, Registered at 2026-5-29 10:52:53, last login at 2026-6-5 1:37:35, currently offline.
Solved 5 problems, RP: 20 (No. 11695)
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