UID: 33116, Registered at 2026-4-2 23:33:47, last login at 2026-5-10 17:08:11, currently offline.
Solved 3 problems, RP: 17.9 (No. 13702)
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