UID: 42617, Registered at 2026-6-2 18:45:19, last login at 2026-7-15 14:16:59, currently offline.
Solved 3 problems, RP: 14 (No. 14944)
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