UID: 19781, Registered at 2025-7-29 15:34:59, last login at 2025-7-29 15:34:59, currently offline.
Solved 25 problems, RP: 107 (No. 3062)
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