UID: 40692, Registered at 2026-5-14 22:51:29, last login at 2026-6-1 16:39:43, currently offline.
Solved 4 problems, RP: 17 (No. 15080)
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