UID: 4086, Registered at 2023-7-18 10:02:38, last login at 2023-8-18 10:54:36, currently offline.
Solved 4 problems, RP: 26.64 (No. 2288)
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