UID: 19299, Registered at 2025-6-23 21:56:14, last login at 2025-6-23 21:56:14, currently offline.
Solved 13 problems, RP: 55.8 (No. 4646)
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