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73 static Arc arcFromId(int id) { return Arc(id);} |
73 static Arc arcFromId(int id) { return Arc(id);} |
74 |
74 |
75 typedef True FindArcTag; |
75 typedef True FindArcTag; |
76 |
76 |
77 Arc findArc(Node s, Node t, Arc prev = INVALID) const { |
77 Arc findArc(Node s, Node t, Arc prev = INVALID) const { |
78 return prev != INVALID ? arc(s, t) : INVALID; |
78 return prev == INVALID ? arc(s, t) : INVALID; |
79 } |
79 } |
80 |
80 |
81 class Node { |
81 class Node { |
82 friend class FullDigraphBase; |
82 friend class FullDigraphBase; |
83 |
83 |