UID: 17661, Registered at 2025-4-18 11:13:15, last login at 2025-4-18 11:13:15, currently offline.
Solved 14 problems, RP: 57 (No. 8412)
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