UID: 6283, Registered at 2023-9-28 0:42:53, last login at 2023-11-16 15:07:41, currently offline.
Solved 17 problems, RP: 83 (No. 4448)
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