UID: 11963, Registered at 2024-9-14 2:37:19, last login at 2024-9-17 23:01:42, currently offline.
Solved 2 problems, RP: 9.17 (No. 4010)
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