UID: 3308, Registered at 2023-5-7 11:14:05, last login at 2023-6-28 15:25:51, currently offline.
Solved 6 problems, RP: 22.5 (No. 2518)
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