UID: 49106, Registered at 2026-8-7 19:06:23, last login at 2026-8-7 19:06:23, currently offline.
Solved 5 problems, RP: 22 (No. 13831)
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