UID: 17408, Registered at 2025-4-15 22:26:13, last login at 2025-4-15 22:26:13, currently offline.
Solved 4 problems, RP: 5 (No. 12917)
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