甜美的银杏6144

UID: 55837, Registered at 2026-9-12 10:25:17, last login at 2026-9-12 10:25:17, last active at 2026-9-14 16:35:00.

Solved 2 problems, RP: 0 (No. ?)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5413
P5427
Recent Activities

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

单调栈: 1
BFS: 1