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<pre align="left"><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>
(1) <font color="#FF0000">Recursive Traversal</font></b></font></pre>
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<td colspan="2" height="94" bgcolor="#CCFF33">
<p><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>Inorder
Traversal</b></font></p>
<p align="center"><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b><i><font color="#0033CC">A
/ B * C * D + E</font></i></b></font></p>
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<td rowspan="2" width="379">
<pre><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>void inorder( tree_pointer ptr)
<i><font size="3" color="#CC0099"> /* inorder tree traversal */ </font></i>
{
if (pr) {
inorder (ptr->left_child);
printf ("%d",ptr->data);
inorder (ptr->right_child);
}
}</b></font></pre>
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<td colspan="2" height="183" bgcolor="#FFCC66"><font face="Arial, Helvetica, sans-serif" size="4" color="#000000">
<img src="IMAGE/text5-m.gif" width="211" height="159" hspace="30"></font></td>
</tr>
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<table width="724" border="1">
<tr>
<td colspan="2" height="94" bgcolor="#CCFF33">
<p><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>Preorder
Traversal</b></font></p>
<p align="center"><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b><font color="#0033CC"><i>+
* * / A B C D E</i></font><i></i></b></font></p>
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<td rowspan="2" width="387">
<pre><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>void preorder(tree_pointer ptr)
<i><font size="3" color="#CC0099">/* preorder tree traversal */</font></i>
{
if (ptr){
printf ("%d", ptr_data);
preorder (ptr->left_child);
preorder (ptr->right_child);
}
}</b></font></pre>
</td>
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<tr>
<td colspan="2" height="183" bgcolor="#FFCC66"><font face="Arial, Helvetica, sans-serif" size="4" color="#000000">
<img src="IMAGE/text5-m.gif" width="211" height="159" hspace="30"></font></td>
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</table>
<table width="724" border="1">
<tr>
<td colspan="2" height="94" bgcolor="#CCFF33">
<p><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>Postorder
Traversal</b></font></p>
<p align="center"><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>
<i><font color="#0033CC">A B / C * D * E +</font></i></b></font></p>
</td>
<td rowspan="2" width="387">
<pre><font face="Arial, Helvetica, sans-serif" size="4" color="#000000"><b>void postorder( tree_pointer ptr)
<i><font size="3" color="#CC0099">/* postorder tree traversl */</font></i>
{
if (ptr){
postorder ( ptr->left_child);
postorder ( ptr->right_child);
printf ("%d", ptr_data);
}
}</b></font></pre>
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