UID: 623, Registered at 2025-10-4 23:39:48, last login at 2026-1-13 16:44:28, currently offline.
Solved 12 problems, RP: 72 (No. 109)
By signing up a 算道OJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your 算道OJ universal account