UID: 1953, Registered at 2023-4-9 11:45:57, last login at 2023-4-13 22:06:18, currently offline.
Solved 5 problems, RP: 27 (No. 2252)
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