Division Reminder Method, Hash Function Assignment Help

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Division Reminder Method

        In division reminder method, key k is divided by a number m larger than the number n of keys in k and the remainder of this division is taken as index into the hash table i.e.

                                    H (k) = K mod m

        The number m is usually chosen to be a prime number or a number without small divisors, since this frequently minimizes the number of collisions.

         The above hash function will map the keys in the range 0 to m-1and is acceptable in c/c ++. But if we want the hash addresses to range from 1 to m rather than from 0 to m-1 we use the formula

                                    H (k) = k mod m+1

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