单项选择题
14 A Huffman tree constructed with the data set {4,5,6,7,10,12,18} as the leaf node weights, and its weighted path length is ().
A.155
B.160
C.165
D.170
14 A Huffman tree constructed with the data set {4,5,6,7,10,12,18} as the leaf node weights, and its weighted path length is ().
A.155
B.160
C.165
D.170