UID: 6488, Registered at 2023-10-27 19:13:22, last login at 2024-1-31 13:35:01, currently offline.
Solved 3 problems, RP: 14.1 (No. 14651)
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