UID: 2631, Registered at 2023-4-19 10:01:26, last login at 2023-7-14 0:08:40, currently offline.
Solved 12 problems, RP: 77.36 (No. 7707)
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