UID: 5559, Registered at 2023-9-1 9:53:00, last login at 2023-9-1 22:46:46, currently offline.
Solved 3 problems, RP: 13.54 (No. 3358)
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