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Ingy döt Net 2015-02-20 09:02:09 -05:00
parent 00a190b0a6
commit 91df62d461
5697 changed files with 93386 additions and 804 deletions
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12
Task/ABC-Problem/Mathematica/abc-problem.math Normal file
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blocks=Partition[Characters[ToLowerCase["BOXKDQCPNAGTRETGQDFSJWHUVIANOBERFSLYPCZM"]],2];
ClearAll[DoStep,ABCBlockQ]
DoStep[chars_List,blcks_List,chosen_List]:=Module[{opts},
If[chars=!={},
opts=Select[blcks,MemberQ[#,First[chars]]&];
{Rest[chars],DeleteCases[blcks,#,1,1],Append[chosen,#]}&/@opts
,
{{chars,blcks,chosen}}
]
]
DoStep[opts_List]:=Flatten[DoStep@@@opts,1]
ABCBlockQ[str_String]:=(FixedPoint[DoStep,{{Characters[ToLowerCase[str]],blocks,{}}}]=!={})