UID: 41993, Registered at 2026-5-26 19:34:37, last login at 2026-6-23 23:44:50, currently offline.
Solved 15 problems, RP: 44 (No. 9778)
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