UID: 5562, Registered at 2023-9-1 11:14:32, last login at 2023-9-18 21:28:00, currently offline.
Solved 5 problems, RP: 22 (No. 2535)
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