UID: 40655, Registered at 2026-5-14 18:39:35, last login at 2026-5-27 23:45:30, currently offline.
Solved 3 problems, RP: 24.3 (No. 13406)
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