2016 Update
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Tina Müller
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7965 changed files with 139854 additions and 31002 deletions
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/*REXX pgm (state name puzzle) rearranges two state's names ──► two new states*/
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/*REXX program (state name puzzle) rearranges two state's names ──► two new states. */
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!='Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia,',
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'Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, ',
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'Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico,',
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'New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina,',
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'South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming'
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parse arg xtra; !=! ',' xtra /*add optional (fictitious) names.*/
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@abcU='ABCDEFGHIJKLMNOPQRSTUVWXYZ'; !=space(!) /*ABCs; the state list.*/
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deads=0; dups=0; L.=0; !orig=!; z=0; @@.= /*initialize some vars. */
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parse arg xtra; !=! ',' xtra /*add optional (fictitious) names.*/
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@abcU='ABCDEFGHIJKLMNOPQRSTUVWXYZ'; !=space(!) /*!: the state list, no extra blanks*/
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deads=0; dups=0; L.=0; !orig=!; z=0; @@.= /*initialize some REXX variables. */
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do de=0 for 2; !=!orig; @.= /*use original state list for each. */
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do de=0 for 2; !=!orig; @.= /*use original state list for each. */
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do states=0 until !=='' /*parse until the cows come home. */
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parse var ! x ',' !; x=space(x) /*remove all blanks from state name.*/
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if @.x\=='' then do /*was state was already specified? */
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if de then iterate /*don't tell error if doing 2nd pass*/
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dups=dups+1 /*bump the duplicate counter. */
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do states=0 until !=='' /*parse until the cows come home. */
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parse var ! x ',' !; x=space(x) /*remove all blanks from state name.*/
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if @.x\=='' then do /*was state was already specified? */
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if de then iterate /*don't tell error if doing 2nd pass*/
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dups=dups+1 /*bump the duplicate counter. */
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say 'ignoring the 2nd naming of the state: ' x
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iterate
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end
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@.x=x /*indicate this state name exists. */
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y=space(x,0); upper y; yLen=length(y) /*get upper name with no spaces; Len*/
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@.x=x /*indicate this state name exists. */
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y=space(x,0); upper y; yLen=length(y) /*get upper name with no spaces; Len*/
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if de then do /*Is the 1st pass? Then process. */
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do j=1 for yLen /*see if it's a dead─end state name.*/
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_=substr(y,j,1) /* _: is some state name character.*/
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if L._\==1 then iterate /*Count ¬1? Then state name is O.K.*/
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say 'removing dead─end state [which has the letter ' _"]: " x
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deads=deads+1 /*bump number of dead─ends states. */
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iterate states /*go and process another state name.*/
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end /*j*/
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z=z+1 /*bump counter of the state names. */
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#.z=y; ##.z=x /*assign state name; and original. */
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end
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else do k=1 for yLen /*inventorize state name's letters. */
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_=substr(y,k,1); L._=L._+1 /*count each letter in state name. */
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end /*k*/
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if de then do /*Is the firstt pass? Then process.*/
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do j=1 for yLen /*see if it's a dead─end state name.*/
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_=substr(y,j,1) /* _: is some state name character.*/
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if L._\==1 then iterate /*Count ¬ 1? Then state name is OK.*/
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say 'removing dead─end state [which has the letter ' _"]: " x
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deads=deads+1 /*bump number of dead─ends states. */
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iterate states /*go and process another state name.*/
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end /*j*/
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z=z+1 /*bump counter of the state names. */
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#.z=y; ##.z=x /*assign state name; and original. */
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end
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else do k=1 for yLen /*inventorize state name's letters. */
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_=substr(y,k,1); L._=L._+1 /*count each letter in state name. */
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end /*k*/
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end /*states*/
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end /*de*/
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say; do i=1 for z /*list state names in order given. */
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say right(i,9) ##.i /*show the index number, state name.*/
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say; do i=1 for z /*list state names in order given. */
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say right(i,9) ##.i /*show the index number, state name.*/
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end /*i*/
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say; say z 'state name's(z) "are useable."
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if dups \==0 then say dups 'duplicate of a state's(dups) 'ignored.'
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if deads\==0 then say deads 'dead─end state's(deads) 'deleted.'
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say; say z 'state name's(z) "are useable."
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if dups \==0 then say dups 'duplicate of a state's(dups) 'ignored.'
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if deads\==0 then say deads 'dead─end state's(deads) 'deleted.'
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say
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sols=0 /*number of solutions found (so far)*/
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sols=0 /*number of solutions found (so far)*/
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do j=1 for z /*◄─────────────────────────────────────────────────────┐ */
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/*look for mix and match states. │ */
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do k=j+1 to z /* ◄─── state K, state J ►───────┘ */
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if #.j<<#.k then JK=#.j || #.k /*is in proper order?*/
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else JK=#.k || #.j /*use new state name.*/
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do j=1 for z /*◄───────────────────────────────────────────────────────────────┐ */
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/*look for mix and match states. │ */
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do k=j+1 to z /* ◄─── state K, state J ►───────┘ */
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if #.j<<#.k then JK=#.j || #.k /*is the state in the proper order? */
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else JK=#.k || #.j /*No, then use the new state name. */
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do m=1 for z; if m==j | m==k then iterate /*no overlaps allowed*/
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if verify(#.m,jk)\==0 then iterate /*is this possible? */
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nJK=elider(JK,#.m) /*new JK, after eliding #.m characters.*/
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do m=1 for z; if m==j | m==k then iterate /*no state overlaps are allowed. */
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if verify(#.m,jk)\==0 then iterate /*is this state name even possible? */
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nJK=elider(JK,#.m) /*a new JK, after eliding #.m chars.*/
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do n=m+1 to z; if n==j | n==k then iterate /*no overlaps allowed*/
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if verify(#.n,nJK)\==0 then iterate /*is it possible? */
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if elider(nJK,#.n)\=='' then iterate /*leftovers letters? */
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if #.m<<#.n then MN=#.m || #.n /*is in proper order?*/
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else MN=#.n || #.m /*a new state name. */
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if @@.JK.MN\=='' | @@.MN.JK\=='' then iterate /*was it done before?*/
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say 'found: ' ##.j',' ##.k " ───► " ##.m',' ##.n
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@@.JK.MN=1 /*indicate this solution as being found*/
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sols=sols+1 /*bump the number of solutions found. */
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do n=m+1 to z; if n==j | n==k then iterate /*no overlaps are allowed. */
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if verify(#.n,nJK)\==0 then iterate /*is it possible? */
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if elider(nJK,#.n)\=='' then iterate /*any leftovers letters? */
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if #.m<<#.n then MN=#.m || #.n /*is it in the proper order?*/
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else MN=#.n || #.m /*we found a new state name.*/
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if @@.JK.MN\=='' | @@.MN.JK\=="" then iterate /*was it done before? */
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say 'found: ' ##.j',' ##.k " ───► " ##.m',' ##.n
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@@.JK.MN=1 /*indicate this solution as being found*/
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sols=sols+1 /*bump the number of solutions found. */
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end /*n*/
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end /*m*/
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end /*k*/
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end /*j*/
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say /*show a blank line for easier reading.*/
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if sols==0 then sols='No' /*use mucher gooder (sic) Englishings. */
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say sols 'solution's(sols) "found." /*display the number of solutions found*/
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exit /*stick a fork in it, we're all done. */
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/*───────────────────────────────────ELIDER───────────────────────────────────*/
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elider: parse arg hay,pins /*remove letters (pins) from haystack. */
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do e=1 for length(pins); p=pos(substr(pins,e,1), hay)
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if p==0 then iterate ; hay=overlay(' ',hay,p)
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end /*e*/ /* [↑] remove a letter.*/
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return space(hay,0) /*remove blanks from hay*/
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/*──────────────────────────────────S subroutine──────────────────────────────*/
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s: if arg(1)==1 then return arg(3);return word(arg(2) 's',1) /*pluralizer.*/
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say /*show a blank line for easier reading.*/
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if sols==0 then sols='No' /*use mucher gooder (sic) Englishings. */
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say sols 'solution's(sols) "found." /*display the number of solutions found*/
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exit /*stick a fork in it, we're all done. */
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/*──────────────────────────────────────────────────────────────────────────────────────*/
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elider: parse arg hay,pins /*remove letters (pins) from haystack. */
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do e=1 for length(pins); p=pos(substr(pins,e,1), hay)
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if p==0 then iterate ; hay=overlay(' ',hay,p)
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end /*e*/ /* [↑] remove a letter from haystack. */
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return space(hay,0) /*remove blanks from the haystack. */
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/*──────────────────────────────────────────────────────────────────────────────────────*/
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