UID: 30808, Registered at 2026-3-20 10:36:09, last login at 2026-4-16 11:54:22, currently offline.
Solved 6 problems, RP: 14 (No. 13340)
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