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The modulus operation always returns positive. If, as in Java, it really does remainder, rather than the mathematical modulus, it can return negative. So, depends on which language.
Arrays: Left Rotation
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what if newLocation becomes negative
then you send it to the end of the array
The modulus operation always returns positive. If, as in Java, it really does remainder, rather than the mathematical modulus, it can return negative. So, depends on which language.