May 2024
Intermediate to advanced
521 pages
14h 12m
English
Content preview from Data Structures Using C, 2nd Edition by Pearson
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Advanced Data Structures 489
10.5 SEARCHING BY HASHING
In system programming, search is a very widely used operation. An assembler or a compiler very fre-
quently searches the presence of a token in a table such as symbol table, opcode table, literal table etc.
Earlier in the book, following techniques have been discussed for search operations:
n Linear search
n Binary search
n Binary search trees
Averagely, the linear search requires O(n) comparisons to search an element in a list. On the other
hand, the binary search takes O(log n) comparisons to search an element in the list but it requires the
list should already be sorted.
Some applicatio ...
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