UID: 4327, Registered at 2023-8-2 7:47:58, last login at 2023-8-2 8:32:03, currently offline.
Solved 3 problems, RP: 14.73 (No. 3217)
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