77tian

UID: 43713, Registered at 2026-6-17 9:41:50, last login at 2026-6-24 11:23:27, last active at 2026-6-24 18:39:16.

Solved 4 problems, RP: 14 (No. 13104)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P2404
P2607
P3306
P4552
Recent Activities

This person is lazy and didn't join any contests or homework.

动态规划: 4