xleftee

UID: 40880, Registered at 2026-5-16 14:31:33, last login at 2026-5-16 14:32:17, last active at 2026-5-19 16:05:23.

Solved 2 problems, RP: 11 (No. 12684)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P2416
P4550
Recent Activities

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

DFS: 1
贪心算法: 1