UID: 38716, Registered at 2026-4-28 16:00:41, last login at 2026-7-4 20:52:30, currently offline.
Solved 5 problems, RP: 15.8 (No. 15503)
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