UID: 5289, Registered at 2023-8-24 18:59:58, last login at 2023-8-28 23:15:45, currently offline.
Solved 5 problems, RP: 19.05 (No. 2754)
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