UID: 417, Registered at 2023-3-13 12:57:47, last login at 2023-3-14 22:25:20, currently offline.
Solved 4 problems, RP: 20.99 (No. 2630)
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