Problem
A [R47A]三数二母串
B [R47B]进制迷踪
C [R47C]数字与字母
D [R47D]树与直径
E [R47E]集合
F [R47F]消除电荷
G [R47G]收藏

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Subject: General Issue | Jury @ 2026-1-23 21:10:18

E 题样例有误，已修改，请刷新后查看
Subject: General Issue | Jury @ 2026-1-23 20:57:27

E 题样例有误，已修改，请刷新后查看

代码源挑战赛 Round 47

Status: Done
Rule: DMY
Start at: 2026-1-23 20:00
End at: 2026-1-23 21:30
Duration: 1.5 hour(s)
Host: null
Partic.: 354