UID: 19384, Registered at 2025-7-1 10:40:42, last login at 2026-1-23 9:10:52, currently offline.
Solved 11 problems, RP: 52.5 (No. 9459)
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