UID: 31281, Registered at 2026-3-23 13:54:43, last login at 2026-8-16 16:56:22, currently offline.
Solved 3 problems, RP: 14.3 (No. 15679)
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