UID: 34141, Registered at 2026-4-8 14:22:12, last login at 2026-4-8 15:01:42, currently offline.
Solved 19 problems, RP: 66 (No. 6320)
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