å个DeleteArc(G,v,w)ç»ä½
Status Delete_Arc(MGraph&G,char v,char w)
{
if((i=LocateVex(G,v))<0) return ERROR;
if((i=LocateVex(G,w))<0) return ERROR;
if(G.arcs[i][j].adj)
{
G.arcs[i][j].adj=0;
G.arcnum--;
}
return OK;
}
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