UID: 33112, Registered at 2026-4-2 23:13:35, last login at 2026-6-3 12:23:33, currently offline.
Solved 7 problems, RP: 7 (No. 15900)
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