2sL1KUXPlk

UID: 48489, Registered at 2026-8-3 2:22:54, last login at 2026-8-3 2:22:54, last active at 2026-8-3 7:15:15.

Solved 2 problems, RP: 9 (No. 16245)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5211
P5212
Recent Activities

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

前缀和: 1
贪心算法: 1