42OLftdLPo

UID: 35004, Registered at 2026-4-10 23:51:50, last login at 2026-5-22 16:27:48, currently offline.

Solved 2 problems, RP: 13.2 (No. 12800)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3713
P4274
Recent Activities

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

动态规划: 2