問題詳情
19 下圖之邊長（edge length）均為不一樣的整數，邊上之數字表示長度。若其最小生成樹（minimumspanning tree）含有連接 b 與 c 的邊(b, c)，則(b, c)之長度最大值為何？ 
(A)19
(B)25
(C)27
(D)29
(A)19
(B)25
(C)27
(D)29
參考答案
答案：B
難度：困難0.32872
統計：A(76),B(95),C(47),D(31),E(0)
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