UID: 24281, Registered at 2025-10-1 0:30:26, last login at 2025-12-17 18:27:58, currently offline.
Solved 4 problems, RP: 5 (No. 10909)
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