UID: 3628, Registered at 2023-5-25 0:31:05, last login at 2023-5-27 8:51:35, currently offline.
Solved 4 problems, RP: 20 (No. 2668)
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