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[主观题]
对于给定的一组权W={1,4,9,16,25,36,49,64,81,100},构造一棵具有最小带权外部路径长度的三叉树,
写出这棵树的带权外部路径长度。 For a given group of weights W={1, 4, 9, 16, 25, 36, 49, 64, 81, 100}, please construct a ternary tree with a minimum weighted route length and write down this weighted route length.
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