UID: 40943, Registered at 2026-5-17 10:48:16, last login at 2026-5-17 10:48:16, currently offline.
Solved 11 problems, RP: 82 (No. 6927)
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