UID: 43198, Registered at 2026-6-10 12:46:26, last login at 2026-6-10 12:46:26, currently offline.
Solved 4 problems, RP: 17 (No. 12550)
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