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Algoritmos Heurísticos de Cobertura de Arcos

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AchaCaminhoMinimo(N2,N1,CMin,CardCad,Ca<strong>de</strong>ia);<br />

AtualizaCustosCa<strong>de</strong>ia(CardCad,Ca<strong>de</strong>ia);<br />

AchaCaminhoMinimo(N1,N2,CMin,CardCad,Ca<strong>de</strong>ia);<br />

AtualizaCustosCa<strong>de</strong>ia(CardCad,Ca<strong>de</strong>ia);<br />

End;<br />

End;<br />

End;<br />

Procedure CalculaCusto;<br />

Var I,J,Vezes:Integer;<br />

Begin<br />

CppCost:=0;<br />

AddCost:=0;<br />

For J:=1 To M Do<br />

Begin<br />

I:=2*J-1;<br />

Vezes:=Link[I].NumUsed+Link[I+1].NumUsed;<br />

If Vezes>0 Then<br />

Begin<br />

CppCost:=CppCost+Vezes*Link[I].Cost;<br />

AddCost:=AddCost+(Vezes-1)*Link[I].Cost;<br />

End;<br />

End;<br />

End;<br />

Procedure ReduzCustoLinksDuplicados;<br />

Var I,J,Vezes:Integer;<br />

V:Real;<br />

Begin<br />

For J:=1 To M Do<br />

Begin<br />

I:=2*J-1;<br />

Vezes:=Link[I].NumUsed+Link[I+1].NumUsed;<br />

If Vezes>1 Then<br />

Begin<br />

V:=Link[I].Cost;<br />

V:=V*(100-Red);<br />

V:=V/100;<br />

Link[I].Cost:=Round(V);<br />

Link[I+1].Cost:=Round(V);<br />

End;<br />

End;<br />

End;<br />

Function Distancia(i,j:integer):Real;<br />

begin<br />

Result:=Sqrt((No<strong>de</strong>[i].Linha-No<strong>de</strong>[j].Linha)*<br />

(No<strong>de</strong>[i].Linha-No<strong>de</strong>[j].Linha)+<br />

(No<strong>de</strong>[i].Coluna-No<strong>de</strong>[j].Coluna)*<br />

(No<strong>de</strong>[i].Coluna-No<strong>de</strong>[j].Coluna));<br />

end;<br />

Procedure VerifiqueConsistencia(Var GrafoNaoConsistente:Boolean);<br />

Var I,J:Integer;<br />

Certo:Boolean;<br />

Begin<br />

GrafoNaoConsistente:=true;<br />

Certo:=true;<br />

For I:=1 To 2*M Do<br />

If (Link[I].Tipo=-1) and (Link[I].NumUsed>0) Then Certo:=false;<br />

If Certo=true Then GrafoNaoConsistente:=false;<br />

End;<br />

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