UID: 54958, Registered at 2026-9-9 10:30:55, last login at 2026-9-28 10:37:20, currently offline.
Solved 27 problems, RP: 188.74 (No. 2838)
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