UID: 20649, Registered at 2025-8-28 9:05:15, last login at 2025-8-28 9:05:15, currently offline.
Solved 7 problems, RP: 53.86 (No. 7799)
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