kQ4J9CRFHC

UID: 49344, Registered at 2026-8-10 19:06:10, last login at 2026-8-24 19:59:28, last active at 2026-8-24 20:22:19.

Solved 3 problems, RP: 11 (No. 16348)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4580
P4993
P5211
Recent Activities

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

暴力枚举: 1
模拟: 1
前缀和: 1