UID: 39161, Registered at 2026-5-2 15:30:36, last login at 2026-5-20 10:05:03, currently offline.
Solved 14 problems, RP: 87 (No. 5896)
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