def Head(self, arc): return _pywrapgraph.SimpleMinCostFlow_Head(self, arc)
def Head(self, arc: 'operations_research::ArcIndex') -> "operations_research::NodeIndex": return _pywrapgraph.SimpleMinCostFlow_Head(self, arc)
def Head(self, arc): return _pywrapgraph.SimpleMinCostFlow_Head(self, arc)
def Head(self, arc: 'operations_research::ArcIndex') -> "operations_research::NodeIndex": return _pywrapgraph.SimpleMinCostFlow_Head(self, arc)