UID: 45519, Registered at 2026-7-7 18:06:45, last login at 2026-7-7 23:23:48, currently offline.
Solved 7 problems, RP: 28.9 (No. 12425)
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