UID: 22881, Registered at 2025-9-18 15:36:18, last login at 2025-9-18 15:36:18, currently offline.
Solved 4 problems, RP: 24 (No. 10994)
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