Sorting algorithms/Shell sort: Difference between revisions
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=={{header|Phix}}== |
=={{header|Phix}}== |
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<!--<lang Phix>(phixonline)--> |
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Copy of [[Sorting_algorithms/Shell_sort#Euphoria|Euphoria]] |
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<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span> |
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<lang Phix>function shell_sort(sequence s) |
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integer gap = floor(length(s)/2), j |
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<span style="color: #008080;">function</span> <span style="color: #000000;">shell_sort</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
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object temp |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">gap</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">j</span> |
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while gap>0 do |
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<span style="color: #008080;">while</span> <span style="color: #000000;">gap</span><span style="color: #0000FF;">></span><span style="color: #000000;">0</span> <span style="color: #008080;">do</span> |
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for i=gap to length(s) do |
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<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">gap</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span> |
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temp = s[i] |
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<span style="color: #004080;">object</span> <span style="color: #000000;">si</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> |
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j = i-gap |
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<span style="color: #000000;">j</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">-</span><span style="color: #000000;">gap</span> |
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while j>=1 and temp<=s[j] do |
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<span style="color: #008080;">while</span> <span style="color: #000000;">j</span><span style="color: #0000FF;">>=</span><span style="color: #000000;">1</span> <span style="color: #008080;">and</span> <span style="color: #000000;">si</span><span style="color: #0000FF;"><=</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">]</span> <span style="color: #008080;">do</span> |
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s[j+gap] = s[j] |
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<span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">+</span><span style="color: #000000;">gap</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">]</span> |
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j -= gap |
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<span style="color: #000000;">j</span> <span style="color: #0000FF;">-=</span> <span style="color: #000000;">gap</span> |
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end while |
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<span style="color: #008080;">end</span> <span style="color: #008080;">while</span> |
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s[j+gap] = temp |
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<span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">j</span><span style="color: #0000FF;">+</span><span style="color: #000000;">gap</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">si</span> |
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end for |
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<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
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gap = floor(gap/2) |
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<span style="color: #000000;">gap</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #000000;">gap</span><span style="color: #0000FF;">/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span> |
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end while |
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<span style="color: #008080;">end</span> <span style="color: #008080;">while</span> |
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return s |
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<span style="color: #008080;">return</span> <span style="color: #000000;">s</span> |
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end function</lang> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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<span style="color: #0000FF;">?</span><span style="color: #000000;">shell_sort</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">shuffle</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">tagset</span><span style="color: #0000FF;">(</span><span style="color: #000000;">10</span><span style="color: #0000FF;">)))</span> |
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<!--</lang>--> |
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{{out}} |
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<pre> |
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{1,2,3,4,5,6,7,8,9,10} |
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</pre> |
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=={{header|PHP}}== |
=={{header|PHP}}== |