UID: 2845, Registered at 2023-4-21 20:09:21, last login at 2023-8-21 11:41:24, currently offline.
Solved 5 problems, RP: 18 (No. 2828)
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