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<pre><b><font face="Arial, Helvetica, sans-serif" size="4" color="#000000">void <font color="#FF0000">heapsort</font>(element list[ ], int n)
<i><font size="3" color="#CC0099">/* perform a heapsort on the array */</font></i>
{
int i,j;
element temp;
for (i = n/2; i > 0; i--) <i><font size="3" color="#CC0099"> */建立max heap/*</font></i>
adjust(list, i, n);
for (i = n-1; i > 0; i--){ <i><font size="3" color="#CC0099"> */sort/*</font></i>
SWAP(list[1], list[i+1], temp);
adjust(list, 1, i);
}
}</font></b></pre>
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<pre align="left"><b><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><font color="#FF0000">complexity</font>
suppose: <img src="image/text7-v.gif" width="126" height="21">
first for loop:
<img src="image/text7-w.gif" width="468" height="55">
second for loop: O( <img src="image/nlogn.gif" width="79" height="24" align="middle"> )
total time: O(<img src="image/nlogn.gif" width="79" height="24" align="middle"> )</font></b></pre>
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