UID: 123, Registered at 2022-9-9 22:29:56, last login at 2026-4-3 14:34:45, last active at 2026-4-3 19:48:03.
Solved 200 problems, RP: 218.7 (No. 84)
2023ZR暑假集训大题单(包含B,C,D组)
https://vjudge.net/article/3852
(链接是C组,可以在里面跳转至B组和D组)
Using your HFOJ universal account