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	<title>ADTs de 1ª ordem: Fila - Revision history</title>
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	<updated>2026-05-04T12:43:49Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.hlt.inesc-id.pt/~david/wiki/pt/index.php?title=ADTs_de_1%C2%AA_ordem:_Fila&amp;diff=2675&amp;oldid=prev</id>
		<title>Root: ADTs de 1Âª ordem: Fila moved to ADTs de 1ª ordem: Fila</title>
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		<updated>2008-11-12T08:31:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;a href=&quot;/~david/wiki/pt/index.php?title=ADTs_de_1%C3%82%C2%AA_ordem:_Fila&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;ADTs de 1Âª ordem: Fila (page does not exist)&quot;&gt;ADTs de 1Âª ordem: Fila&lt;/a&gt; moved to &lt;a href=&quot;/~david/w/pt/ADTs_de_1%C2%AA_ordem:_Fila&quot; title=&quot;ADTs de 1ª ordem: Fila&quot;&gt;ADTs de 1ª ordem: Fila&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 08:31, 12 November 2008&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Root</name></author>
	</entry>
	<entry>
		<id>https://www.hlt.inesc-id.pt/~david/wiki/pt/index.php?title=ADTs_de_1%C2%AA_ordem:_Fila&amp;diff=1605&amp;oldid=prev</id>
		<title>Root at 09:10, 18 May 2005</title>
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		<updated>2005-05-18T09:10:23Z</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;== Interface ==&lt;br /&gt;
&lt;br /&gt;
  #ifndef __QUEUE_H__&lt;br /&gt;
  #define __QUEUE_H__&lt;br /&gt;
  &lt;br /&gt;
  #include &amp;quot;Item.h&amp;quot;&lt;br /&gt;
  &lt;br /&gt;
  typedef struct queue *Q;&lt;br /&gt;
  &lt;br /&gt;
  Q    QUEUEinit(int);&lt;br /&gt;
  int  QUEUEempty(Q);&lt;br /&gt;
  void QUEUEput(Q, Item);&lt;br /&gt;
  Item QUEUEget(Q);&lt;br /&gt;
  &lt;br /&gt;
  #endif&lt;br /&gt;
&lt;br /&gt;
== Implementação ==&lt;br /&gt;
&lt;br /&gt;
=== Implementação baseada em lista ===&lt;br /&gt;
&lt;br /&gt;
  #include &amp;lt;stdlib.h&amp;gt;&lt;br /&gt;
  #include &amp;quot;Item.h&amp;quot;&lt;br /&gt;
  #include &amp;quot;QUEUE.h&amp;quot;&lt;br /&gt;
  &lt;br /&gt;
  typedef struct QUEUEnode* link;&lt;br /&gt;
  struct QUEUEnode { Item item; link next; };&lt;br /&gt;
  struct queue     { link head; link tail; };&lt;br /&gt;
  &lt;br /&gt;
  link NEW(Item item, link next) {&lt;br /&gt;
    link x = malloc(sizeof *x);&lt;br /&gt;
    x-&amp;gt;item = item; x-&amp;gt;next = next;     &lt;br /&gt;
    return x;                         &lt;br /&gt;
  }                                   &lt;br /&gt;
  &lt;br /&gt;
  Q QUEUEinit(int maxN) {&lt;br /&gt;
    Q q = malloc(sizeof *q); &lt;br /&gt;
    q-&amp;gt;head = NULL;&lt;br /&gt;
    q-&amp;gt;tail = NULL; &lt;br /&gt;
    return q;&lt;br /&gt;
  }&lt;br /&gt;
  &lt;br /&gt;
  int QUEUEempty(Q q) { return q-&amp;gt;head == NULL; }&lt;br /&gt;
  &lt;br /&gt;
  void QUEUEput(Q q, Item item) { &lt;br /&gt;
    if (q-&amp;gt;head == NULL) {&lt;br /&gt;
      q-&amp;gt;tail = NEW(item, q-&amp;gt;head);&lt;br /&gt;
      q-&amp;gt;head = q-&amp;gt;tail;&lt;br /&gt;
      return;&lt;br /&gt;
    }&lt;br /&gt;
  &lt;br /&gt;
    q-&amp;gt;tail-&amp;gt;next = NEW(item, q-&amp;gt;tail-&amp;gt;next); &lt;br /&gt;
    q-&amp;gt;tail       = q-&amp;gt;tail-&amp;gt;next;&lt;br /&gt;
  }&lt;br /&gt;
  &lt;br /&gt;
  Item QUEUEget(Q q) {&lt;br /&gt;
    Item item = q-&amp;gt;head-&amp;gt;item;&lt;br /&gt;
    link t    = q-&amp;gt;head-&amp;gt;next;&lt;br /&gt;
    free(q-&amp;gt;head);&lt;br /&gt;
    q-&amp;gt;head = t;&lt;br /&gt;
    return item;&lt;br /&gt;
  }&lt;br /&gt;
&lt;br /&gt;
== Cliente ==&lt;br /&gt;
&lt;br /&gt;
  #include &amp;lt;stdio.h&amp;gt;&lt;br /&gt;
  #include &amp;lt;stdlib.h&amp;gt;&lt;br /&gt;
  &lt;br /&gt;
  #include &amp;quot;Item.h&amp;quot;  /* também incluÃ­do por QUEUE.h */&lt;br /&gt;
  #include &amp;quot;QUEUE.h&amp;quot;&lt;br /&gt;
  #define M 10&lt;br /&gt;
  &lt;br /&gt;
  main(int argc, char *argv[]) {&lt;br /&gt;
    int i, j, N = atoi(argv[1]); &lt;br /&gt;
    Q queues[M]; &lt;br /&gt;
  &lt;br /&gt;
    for (i = 0; i &amp;lt; M; i++) queues[i] = QUEUEinit(N);&lt;br /&gt;
    for (i = 0; i &amp;lt; N; i++) QUEUEput(queues[rand() % M], i);&lt;br /&gt;
  &lt;br /&gt;
    for (i = 0; i &amp;lt; M; i++, printf(&amp;quot;\n&amp;quot;))&lt;br /&gt;
      for (j = 0; !QUEUEempty(queues[i]); j++) &lt;br /&gt;
        printf(&amp;quot;%3d &amp;quot;, QUEUEget(queues[i]));&lt;br /&gt;
  }&lt;/div&gt;</summary>
		<author><name>Root</name></author>
	</entry>
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