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Question:Possible Duplicate:Why should hash functions use a prime number modulus?Why is it necessary for a hash table's (the data stru... 阅读全文
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Website:http://srinvis.blogspot.ca/2006/07/hash-table-lengths-and-prime-numbers.htmlThis has been bugging me for some time now...The f... 阅读全文
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Perfect Hashing:A hash function that is injective—that is, maps each valid input to a different hash value—is said to be perfect. With... 阅读全文