UID: 31855, Registered at 2026-3-26 20:40:46, last login at 2026-5-22 10:58:56, currently offline.
Solved 20 problems, RP: 88 (No. 5863)
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