纪元炘

UID: 280, 등록 2026-2-5 19:43:31, 마지막 접속 2026-3-1 21:08:10, 마지막 활동 2026-3-1 21:54:29.

총 5 문제 해결.RP: 20 (No. 139)

소개

This person is lazy and didn't write anything.
Accepted Problems
P1

P2
P3

P4
P5
최근 활동

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

This person is lazy and didn't write any solutions.

一本通编程启蒙: 5