UID: 18101, Registered at 2025-4-25 15:09:48, last login at 2025-4-25 15:09:48, currently offline.
Solved 7 problems, RP: 30.25 (No. 9224)
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