问答题
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.