UID: 16306, Registered at 2025-4-1 21:46:03, last login at 2025-4-1 21:46:03, currently offline.
Solved 3 problems, RP: 15 (No. 12483)
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