Question: Programming Language: C++ Make the following function to implement an histogram hg. string hg(const vector &v): given the reference to a vector of strings, return

Programming Language: C++

Make the following function to implement an histogram hg.

string hg(const vector &v): given the reference to a vector of strings, return a count of strings, from the most frequent to the less frequent.

For example: given v = dog, cat, fox, dog, dog, cat

Return

[dog:3] [cat:2] [fox:1]

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