UID: 69, Registered at 2023-6-18 18:13:59, last login at 2023-6-18 18:23:57, currently offline.
Solved 8 problems, RP: 45 (No. 104)
By signing up a 奇点编程 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your 奇点编程 universal account