UID: 222, Registered at 2025-1-19 15:35:19, last login at 2025-3-22 20:49:56, currently offline.
Solved 12 problems, RP: 51 (No. 112)
By signing up a 9minute universal account, you can submit code and join discussions in all online judging services provided by us.
Using your 9minute universal account