UID: 39295, Registered at 2026-5-4 22:17:31, last login at 2026-8-17 18:46:22, currently offline.
Solved 3 problems, RP: 22.9 (No. 13732)
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