UID: 38128, Registered at 2026-4-25 10:32:21, last login at 2026-4-25 10:32:21, currently offline.
Solved 17 problems, RP: 77 (No. 5788)
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