UID: 30874, Registered at 2026-3-20 16:17:56, last login at 2026-5-7 16:27:43, currently offline.
Solved 19 problems, RP: 77 (No. 7070)
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