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<b><font face="Arial, Helvetica, sans-serif" size="4" color="#000000">(1)<font color="#FF0000"> Sequential search</font>
#define MAX_SIZE 1000<i><font size="3" color="#CC0099"> /* maximum size of list plus one */</font></i>
typedef struct {
int key;
<i><font size="3" color="#CC0099"> /* other field */</font></i>
} element;
element list [MAX_SIZE ];
<font color="#FF0000">
program
</font>int <font color="#FF0000">seqsearch</font>(int list[ ], int searchnum, int n)
{<i><font size="3" color="#CC0099">/* search an array, list, that has n numbers. Return i, if
list [ i ] = searchnum. Return -1, if searchnum is not in the list */</font></i> </font></b></pre>
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<pre><b><font face="Arial, Helvetica, sans-serif" size="4" color="#000000">int i;
list [ n ] = searchnum;
for (i=0; list [ i] != searchnum; i++)
;
return ((i < n) ? i : - 1);
}</font></b></pre>
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<pre><img src="image/seqsea.gif" width="254" height="40"></pre>
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<pre align="left"><b><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><font color="#FF0000">complexity</font>
the average number of comparisons for a successful search: </font></b>
<img src="image/1.gif" width="255" height="53">
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