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	<title>Travessias sobre BSTs - Revision history</title>
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	<updated>2026-05-04T12:43:13Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.hlt.inesc-id.pt/~david/wiki/pt/index.php?title=Travessias_sobre_BSTs&amp;diff=1612&amp;oldid=prev</id>
		<title>Root at 08:36, 19 May 2005</title>
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		<updated>2005-05-19T08:36:10Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Introdução ==&lt;br /&gt;
&lt;br /&gt;
== Travessias Recursivas ==&lt;br /&gt;
&lt;br /&gt;
=== Travessia ''pre-order'' ===&lt;br /&gt;
&lt;br /&gt;
    void '''traverse'''(link h, void (*'''visit''')(link)) {&lt;br /&gt;
      if (!h) return;&lt;br /&gt;
      (*'''visit''')(h);&lt;br /&gt;
      '''traverse'''(h-&amp;gt;l);&lt;br /&gt;
      '''traverse'''(h-&amp;gt;r);&lt;br /&gt;
    }&lt;br /&gt;
&lt;br /&gt;
=== Travessia ''in-order'' ===&lt;br /&gt;
&lt;br /&gt;
    void '''traverse'''(link h, void (*'''visit''')(link)) {&lt;br /&gt;
      if (!h) return;&lt;br /&gt;
      '''traverse'''(h-&amp;gt;l);&lt;br /&gt;
      (*'''visit''')(h);&lt;br /&gt;
      '''traverse'''(h-&amp;gt;r);&lt;br /&gt;
    }&lt;br /&gt;
&lt;br /&gt;
=== Travessia ''post-order'' ===&lt;br /&gt;
&lt;br /&gt;
    void '''traverse'''(link h, void (*'''visit''')(link)) {&lt;br /&gt;
      if (!h) return;&lt;br /&gt;
      '''traverse'''(h-&amp;gt;l);&lt;br /&gt;
      '''traverse'''(h-&amp;gt;r);&lt;br /&gt;
      (*'''visit''')(h);&lt;br /&gt;
    }&lt;br /&gt;
&lt;br /&gt;
== Travessias Não Recursivas ==&lt;br /&gt;
&lt;br /&gt;
=== Travessia ''pre-order'' ===&lt;br /&gt;
&lt;br /&gt;
Utiliza uma estrutura de dados (pilha) para manter as partes não processadas.&lt;br /&gt;
&lt;br /&gt;
  void '''traverse'''(link h, void (*'''visit''')(link)) {&lt;br /&gt;
    '''STACKinit'''(max);&lt;br /&gt;
    '''STACKpush'''(h);&lt;br /&gt;
    while (!'''STACKempty'''()) {&lt;br /&gt;
      (*'''visit''')(h = '''STACKpop'''());&lt;br /&gt;
      if (h-&amp;gt;r != NULL) '''STACKpush'''(h-&amp;gt;r); &lt;br /&gt;
      if (h-&amp;gt;l != NULL) '''STACKpush'''(h-&amp;gt;l); &lt;br /&gt;
    }&lt;br /&gt;
  }&lt;br /&gt;
&lt;br /&gt;
=== Travessia ''level-order'' ===&lt;br /&gt;
&lt;br /&gt;
Utiliza uma estrutura de dados (fila) para manter as partes não processadas.&lt;br /&gt;
&lt;br /&gt;
  void traverse(link h, void (*'''visit''')(link)) {&lt;br /&gt;
    '''QUEUEinit'''(max);&lt;br /&gt;
    '''QUEUEput'''(h);&lt;br /&gt;
    while (!'''QUEUEempty'''()) {&lt;br /&gt;
      (*'''visit''')(h = '''QUEUEget'''());&lt;br /&gt;
      if (h-&amp;gt;r != NULL) '''QUEUEput'''(h-&amp;gt;l); &lt;br /&gt;
      if (h-&amp;gt;l != NULL) '''QUEUEput'''(h-&amp;gt;r); &lt;br /&gt;
    }&lt;br /&gt;
  }&lt;/div&gt;</summary>
		<author><name>Root</name></author>
	</entry>
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