UID: 14691, Registered at 2025-2-28 13:59:26, last login at 2025-2-28 13:59:26, currently offline.
Solved 17 problems, RP: 54 (No. 4735)
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