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Given a string, consider the prefix string made of the first N chars of the string. Does that prefix string appear somewhere else in the...
X241: prefixAgain
Given a string, consider the prefix string made of the first N chars of the string. Does that prefix string appear somewhere else in the string? Assume that the string is not empty and that N is in the range 1..str.length().
Examples:
prefixAgain("abXYabc", 1) -> true
prefixAgain("abXYabc", 2) -> true
prefixAgain("abXYabc", 3) -> false
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