c20VDL0c4S

UID: 45516, Registered at 2026-7-7 17:54:18, last login at 2026-7-7 19:04:54, last active at 2026-7-21 20:52:11.

Solved 2 problems, RP: 21.4 (No. 12171)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5130
P5131
Recent Activities

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

模拟: 1
动态规划: 1