UID: 15055, Registered at 2025-3-9 16:49:02, last login at 2025-3-9 16:49:02, currently offline.
Solved 12 problems, RP: 39 (No. 5458)
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