24 game/Solve: Difference between revisions
Content added Content deleted
(→{{header|REXX}}: fixed program to generate all manner of groupings.) |
(→{{header|REXX}}: supported rational arithmetic for solutions to such numbers as 3388.) |
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└───────────────────────────────────────────────────────────────────────┘ |
└───────────────────────────────────────────────────────────────────────┘ |
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end-of-help */ |
end-of-help */ |
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numeric digits 12 /*where rational arithmetic is needed. */ |
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parse arg orig /*get the guess from the command line*/ |
parse arg orig /*get the guess from the command line*/ |
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orig= space(orig, 0) /*remove all blanks from ORIG. */ |
orig= space(orig, 0) /*remove all blanks from ORIG. */ |
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x.e= 1 /*mark this expression as being used. */ |
x.e= 1 /*mark this expression as being used. */ |
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end |
end |
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interpret 'x=(' e ") / 1" /*have REXX do the heavy lifting here. */ |
interpret 'x=(' e ") / 1" /*have REXX do the heavy lifting here. */ |
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if x\==?? then |
if x\==?? then do /*Not correct? Then try again. */ |
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numeric digits 9; x= x / 1 /*re-do evaluation.*/ |
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numeric digits 12 /*re-instate digits*/ |
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if x\==?? then iterate /*Not correct? Then try again. */ |
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end |
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finds= finds + 1 /*bump number of found solutions. */ |
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if \show | negatory then return finds |
if \show | negatory then return finds |
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_= translate(origE, '][', ")(") /*show [], not (). */ |
_= translate(origE, '][', ")(") /*show [], not (). */ |
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