UID: 5536, Registered at 2023-8-31 14:26:24, last login at 2023-9-1 11:57:05, currently offline.
Solved 4 problems, RP: 33.45 (No. 1973)
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