UID: 4766, Registered at 2023-8-14 14:41:19, last login at 2023-9-9 18:44:56, currently offline.
Solved 3 problems, RP: 11.42 (No. 3642)
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