UID: 15924, Registered at 2025-3-26 14:52:55, last login at 2025-3-26 14:52:55, currently offline.
Solved 3 problems, RP: 12.4 (No. 8568)
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