UID: 30624, Registered at 2026-3-19 8:38:53, last login at 2026-6-16 8:46:41, currently offline.
Solved 15 problems, RP: 71.4 (No. 6644)
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