UID: 5406, Registered at 2023-8-26 22:49:42, last login at 2023-9-13 23:18:41, currently offline.
Solved 4 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