UID: 40672, Registered at 2026-5-14 20:35:39, last login at 2026-8-4 22:00:37, currently offline.
Solved 2 problems, RP: 11 (No. 17133)
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