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Generating Perfect Hash Functions

By Thomas Gettys, February 01, 2001

Thomas presents an efficient hash technique guaranteed to generate a perfect hash function for an arbitrary set of numeric search keys.
Feb01: Algorithm Alley 


keys:  0  .  7  3  4 10 13 30 15 18 19 34 21 22 24  . 26  .  . 29
index: 0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19

Figure 3: Collapsing shifted rows down into hash table C.



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