努力的沙丘

UID: 50057, Registered at 2026-8-16 12:09:45, last login at 2026-8-23 12:17:15, last active at 2026-8-23 19:54:54.

Solved 2 problems, RP: 7 (No. 18559)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4993
P4994
Recent Activities

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

模拟: 1
贪心算法: 1