UID: 770, Registered at 2023-3-17 9:26:57, last login at 2024-7-29 14:45:11, currently offline.
Solved 2 problems, RP: 16 (No. 3008)
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