UID: 20678, Registered at 2025-8-28 14:08:31, last login at 2025-12-30 16:49:44, currently offline.
Solved 11 problems, RP: 65.6 (No. 6982)
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