UID: 5055, Registered at 2023-8-19 4:33:29, last login at 2024-3-10 9:52:34, currently offline.
Solved 23 problems, RP: 97.75 (No. 4040)
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