UID: 45249, Registered at 2026-7-3 21:39:43, last login at 2026-7-3 21:39:43, currently offline.
Solved 6 problems, RP: 28 (No. 12713)
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