Unique Character

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Given a string $S$. Find the first non-repeating character in it and return the index of the element. If it doesn't exist, return -1. ###Input: - First line will contain a string $S$. ###Output: Output the first non repeating character if it does not exist output -1. ###Constraints - $1 \leq T \leq 1000$ - $1 \leq |S| \leq 100$ - length of string ###Sample Input: 2

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solution.cppC++17

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