Sorting algorithms/Bogosort: Difference between revisions
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(VBScript entry) |
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output: |
output: |
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<pre><0,8,12,47,50,51></pre> |
<pre><0,8,12,47,50,51></pre> |
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=={{header|VBScript}}== |
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=====Implementation===== |
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<lang vb> |
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sub swap( byref a, byref b ) |
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dim tmp |
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tmp = a |
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a = b |
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b = tmp |
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end sub |
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'knuth shuffle (I think) |
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function shuffle( a ) |
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dim i |
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dim r |
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randomize timer |
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for i = lbound( a ) to ubound( a ) |
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r = int( rnd * ( ubound( a ) + 1 ) ) |
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if r <> i then |
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swap a(i), a(r) |
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end if |
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next |
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shuffle = a |
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end function |
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function inOrder( a ) |
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dim res |
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dim i |
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for i = 0 to ubound( a ) - 1 |
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res = ( a(i) <= a(i+1) ) |
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if res = false then exit for |
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next |
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inOrder = res |
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end function |
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</lang> |
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=====Invocation===== |
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<lang vb> |
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dim a |
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a = array(11, 1, 2, 3, 4, 4, 6, 7, 8) |
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dim t |
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t = timer |
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while not inorder( a ) |
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shuffle a |
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wend |
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wscript.echo timer-t, "seconds" |
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wscript.echo join( a, ", " ) |
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</lang> |
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=====A few outputs (timed)===== |
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<pre> |
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10.34766 seconds |
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1, 2, 3, 4, 4, 6, 7, 8, 11 |
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0.5039063 seconds |
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1, 2, 3, 4, 4, 6, 7, 8, 11 |
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1.980469 seconds |
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1, 2, 3, 4, 4, 6, 7, 8, 11 |
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</pre> |
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