UID: 32930, Registered at 2026-4-2 7:43:39, last login at 2026-4-2 7:43:39, currently offline.
Solved 10 problems, RP: 50 (No. 9676)
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