UID: 4016, Registered at 2023-7-11 11:11:21, last login at 2023-11-25 20:52:14, currently offline.
Solved 3 problems, RP: 5 (No. 5143)
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