UID: 45755, Registered at 2026-7-9 21:43:48, last login at 2026-8-20 15:17:25, currently offline.
Solved 11 problems, RP: 69.2 (No. 8139)
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