UID: 4369, Registered at 2023-8-4 11:29:58, last login at 2023-9-3 23:52:00, currently offline.
Solved 5 problems, RP: 33.2 (No. 1972)
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
