UID: 24940, Registered at 2025-10-13 16:47:45, last login at 2025-11-27 3:52:21, currently offline.
Solved 6 problems, RP: 42 (No. 9819)
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