UID: 18636, Registered at 2025-5-13 17:22:05, last login at 2025-5-13 17:22:05, currently offline.
Solved 8 problems, RP: 56.32 (No. 6222)
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