Problem
A 前 K 名的平均数
B [NOIP2007 普及组] 奖学金
C 简单计算器

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王逸翔测试

Status: Done
Rule: Ledo
Problem: 3
Start at: 2026-7-5 17:30
End at: 2026-7-6 23:30
Duration: 30 hour(s)
Host: jack
Partic.: 2