UID: 47, Registered at 2025-11-22 10:01:24, last login at 2025-11-22 19:28:36, last active at 2026-3-7 8:08:31.
Solved 25 problems, RP: 175.3 (No. 22)
3.14159265357
By signing up a QinCai--OJ universal account, you can submit code and join discussions in all online judging services provided by us.
Using your QinCai--OJ universal account