UID: 16751, Registered at 2025-4-8 20:05:22, last login at 2025-4-8 20:05:22, currently offline.
Solved 10 problems, RP: 38.2 (No. 9341)
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