UID: 21517, Registered at 2025-9-8 15:36:00, last login at 2025-11-11 23:21:35, currently offline.
Solved 5 problems, RP: 10.2 (No. 9015)
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