UID: 7220, Registered at 2024-3-2 20:07:40, last login at 2024-3-9 20:11:43, currently offline.
Solved 3 problems, RP: 9 (No. 4020)
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