UID: 10026, Registered at 2024-6-11 8:42:49, last login at 2025-10-11 19:37:44, currently offline.
Solved 2 problems, RP: 7.78 (No. 9914)
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