UID: 207, Registered at 2023-3-9 16:07:31, last login at 2023-3-10 13:21:18, currently offline.
Solved 3 problems, RP: 15 (No. 3104)
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