UID: 15956, Registered at 2025-3-27 0:02:07, last login at 2025-3-27 0:02:07, currently offline.
Solved 6 problems, RP: 18 (No. 10971)
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