Solved: Show that the characters in any two nodes at the same depth, Basic Computer Science

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Show that the characters in any two nodes at the same depth

Question: Prove the correctness of Huffman's algorithm by expanding the following steps.

a. Show that no node has only one child.

b. Show that the two least frequent characters must be the two deepest nodes in the tree.

c. Show that the characters in any two nodes at the same depth can be swapped without affecting optimality.

d. Use induction: As trees are merged, consider the new character set to be the characters in the tree roots.

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Basic Computer Science: Show that the characters in any two nodes at the same depth

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