UID: 19719, Registered at 2025-7-25 21:18:52, last login at 2025-12-2 12:31:57, currently offline.
Solved 14 problems, RP: 76.7 (No. 3852)
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