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No it isn't. (i + n) % a.length and (i + n%a.length) % a.length are the same thing. It's only useful for the case where n is close to int maximum so that i + n overflows.
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This line usefull when n >= a.Length
No it isn't. (i + n) % a.length and (i + n%a.length) % a.length are the same thing. It's only useful for the case where n is close to int maximum so that i + n overflows.