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sicp-all-tasks/sicp/2_002e72

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Exercise 2.72: Consider the encoding procedure
that you designed in Exercise 2.68. What is the order of growth in the
number of steps needed to encode a symbol? Be sure to include the number of
steps needed to search the symbol list at each node encountered. To answer
this question in general is difficult. Consider the special case where the
relative frequencies of the
n
symbols are as described in Exercise 2.71,
and give the order of growth (as a function of
n
) of the number of
steps needed to encode the most frequent and least frequent symbols in the
alphabet.