UID: 123, Registered at 2022-9-9 22:29:56, last login at 2026-10-10 10:45:07, last active at 2026-10-10 21:51:55.
Solved 230 problems, RP: 223.48 (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