Write a recursive function to get count of unique characters in given string or array of characters. Prototype of Function: int getUniCharCount(const char* ptr,const char* current) Input: const char* ptr=”wavelength”

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Chapter1: Introduction
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Write a recursive function to get count of unique characters in given string or array of characters.
Prototype of Function: int getUniCharCount(const char* ptr,const char* current)
Input: const char* ptr=”wavelength”
Output: 9

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