UID: 19388, Registered at 2025-7-1 15:20:45, last login at 2025-7-1 15:20:45, currently offline.
Solved 20 problems, RP: 95.57 (No. 3338)
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