De Bruijn sequences: Difference between revisions
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m (→{{header|REXX}}: added a 2nd REXX version.) |
m (→programmatically removing of a node: elided an outdated comment.) |
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<lang rexx>/*REXX pgm calculates the de Bruijn sequence for all pin numbers (4 digit decimals). */ |
<lang rexx>/*REXX pgm calculates the de Bruijn sequence for all pin numbers (4 digit decimals). */ |
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$= /*initialize the de Bruijn sequence. */ |
$= /*initialize the de Bruijn sequence. */ |
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do j=0 for 10; $= $ j; jj= j || j /*compose the left half of the numbers.*/ |
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do j=0 for 10; $= $ j; jj= j || j /*compose the left half of the numbers.*/ |
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$$= space($, 0) /* [↓] " right " " " " */ |
$$= space($, 0) /* [↓] " right " " " " */ |
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do k=jj+1 to 99; z= jj || right(k, 2, 0) |
do k=jj+1 to 99; z= jj || right(k, 2, 0) |
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