UID: 6222, Registered at 2023-9-24 17:13:49, last login at 2023-10-25 16:48:46, currently offline.
Solved 13 problems, RP: 72.1 (No. 1134)
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