UID: 5634, Registered at 2023-9-2 18:46:02, last login at 2023-9-11 22:04:07, currently offline.
Solved 5 problems, RP: 27 (No. 2254)
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