C20250250

UID: 103, Registered at 2 years ago, last login at 8 months ago, currently offline.

Solved 15 problems, RP: 36 (No. 175)

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欢迎来到我的主页 114514.1919810

P5
P7
P8

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

一本通编程启蒙: 15