UID: 15973, Registered at 2025-3-27 12:07:53, last login at 2026-3-28 9:36:49, currently offline.
Solved 9 problems, RP: 37 (No. 6965)
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