UID: 19440, Registered at 2025-7-6 13:48:28, last login at 2025-7-6 13:48:28, currently offline.
Solved 12 problems, RP: 48 (No. 5021)
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