UID: 41254, Registered at 2026-5-19 19:34:05, last login at 2026-6-22 10:44:19, currently offline.
Solved 21 problems, RP: 65 (No. 7534)
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