UID: 26878, Registered at 2025-12-12 15:05:20, last login at 2026-2-1 20:49:30, currently offline.
Solved 4 problems, RP: 41 (No. 10805)
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