UID: 20227, Registered at 2025-8-18 1:44:04, last login at 2025-12-26 21:28:48, currently offline.
Solved 16 problems, RP: 81.36 (No. 4547)
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