Question: 2.) Write an efficient function that takes a SORTED array of n integers and returns the number of times key appears in the array. The

2.) Write an efficient function that takes a SORTED array of n integers and returns the number of times key appears in the array. The function signature is:

int keyCount(int *array, int n, int key);

3.) What are the best-case and worst-case runtimes of your keyCount() functions?

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