UID: 45507, Registered at 2026-7-7 16:59:31, last login at 2026-8-9 17:07:21, currently offline.
Solved 4 problems, RP: 24.4 (No. 13397)
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