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	<title>Avaliação Experimental (ordenação) - Revision history</title>
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	<updated>2026-05-04T12:45:26Z</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=Avalia%C3%A7%C3%A3o_Experimental_(ordena%C3%A7%C3%A3o)&amp;diff=2707&amp;oldid=prev</id>
		<title>Root: Avaliação Experimental (ordenação) moved to Avaliação Experimental (ordenação)</title>
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		<updated>2008-11-12T08:41:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;a href=&quot;/~david/w/pt/Avalia%C3%A7%C3%A3o_Experimental_(ordena%C3%A7%C3%A3o)&quot; title=&quot;Avaliação Experimental (ordenação)&quot;&gt;Avaliação Experimental (ordenação)&lt;/a&gt; moved to &lt;a href=&quot;/~david/w/pt/Avalia%C3%A7%C3%A3o_Experimental_(ordena%C3%A7%C3%A3o)&quot; title=&quot;Avaliação Experimental (ordenação)&quot;&gt;Avaliação Experimental (ordenação)&lt;/a&gt;&lt;/p&gt;
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				&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 08:41, 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=Avalia%C3%A7%C3%A3o_Experimental_(ordena%C3%A7%C3%A3o)&amp;diff=1643&amp;oldid=prev</id>
		<title>Root at 17:10, 27 May 2005</title>
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		<updated>2005-05-27T17:10:36Z</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;== Algortimos Elementares ==&lt;br /&gt;
&lt;br /&gt;
         N     Selection   Insertion   Bubble&lt;br /&gt;
       1000        5            4         11&lt;br /&gt;
       2000       21           15         45&lt;br /&gt;
       4000       85           62        182&lt;br /&gt;
&lt;br /&gt;
== Shell Sort ==&lt;br /&gt;
&lt;br /&gt;
Avaliação experimental em função da sequÃªncia ''h''. Note-se o mau desempenho da sequÃªncia baseada em potÃªncias de 2.&lt;br /&gt;
&lt;br /&gt;
      N    O    K    G    S    P    I&lt;br /&gt;
  12500   16    6    6    5    6    6&lt;br /&gt;
  25000   37   13   11   12   15   10&lt;br /&gt;
  50000  102   31   30   27   38   26&lt;br /&gt;
 100000  303   77   60   63   81   58&lt;br /&gt;
 200000  817  178  137  139  180  126&lt;br /&gt;
&lt;br /&gt;
Valores das sequÃªncias de h:&lt;br /&gt;
&lt;br /&gt;
 '''O''': 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, ...&lt;br /&gt;
 '''K''': 1, 4, 13, 40, 121, 364, ...&lt;br /&gt;
 '''G''': 1, 2, 4, 10, 23, 51, 113, 249, 548, ...&lt;br /&gt;
 '''S''': 1, 8, 23, 77, 281, ...&lt;br /&gt;
 '''P''': 1, 7, 8, 49, 56, 64, 343, 392, 448, 512, ...&lt;br /&gt;
 '''I''': 1, 5, 19, 41, 109, 209, 505, 929, ...&lt;br /&gt;
&lt;br /&gt;
== Quicksort vs. Heapsort ==&lt;br /&gt;
&lt;br /&gt;
          N      Quick        Heap       H/Q%&lt;br /&gt;
        12500       2           3        150&lt;br /&gt;
        25000       7           8        114&lt;br /&gt;
        50000      13          18        138&lt;br /&gt;
       100000      27          42        156&lt;br /&gt;
       200000      58         100        172&lt;br /&gt;
       400000     122         232        190&lt;br /&gt;
       800000     261         542        208&lt;br /&gt;
&lt;br /&gt;
== Quicksort vs. Mergesort ==&lt;br /&gt;
&lt;br /&gt;
                          top-down     bottom-up&lt;br /&gt;
          N      Q      T   T*    O      B   B*&lt;br /&gt;
        12500    2      5    4    4      5    4&lt;br /&gt;
        25000    5     12    8    8     11    9&lt;br /&gt;
        50000   11     23   20   17     26   23&lt;br /&gt;
       100000   24     53   43   37     59   53&lt;br /&gt;
       200000   52    111   92   78    127  110&lt;br /&gt;
       400000  109    237  198  168    267  232&lt;br /&gt;
       800000  241    524  426  358    568  496&lt;br /&gt;
 &lt;br /&gt;
  Q: quicksort&lt;br /&gt;
  T: top-down  mergesort; T*: T+cutoff; O: T+cutoff+nocopy&lt;br /&gt;
  B: bottom-up mergesort; B*: B+cutoff&lt;br /&gt;
&lt;br /&gt;
== Quicksort vs. Radix Sort ==&lt;br /&gt;
&lt;br /&gt;
         N        Q        MSD     LSD     &lt;br /&gt;
       12500      2         28       4     &lt;br /&gt;
       25000      5         29       8    &lt;br /&gt;
       50000     10         35      18    &lt;br /&gt;
      100000     21         47      39    &lt;br /&gt;
      200000     49         72      81    &lt;br /&gt;
      400000    102        581     169    &lt;br /&gt;
      800000    223       6064     328&lt;/div&gt;</summary>
		<author><name>Root</name></author>
	</entry>
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