public void Remove(Edge e) {
if (!adjacency[e.v, e.w]) {
return;
}
adjacency[e.v, e.w] = false;
edgeCount--;
}
public void Insert(Edge e) {
if (adjacency[e.v, e.w]) {
return;
}
adjacency[e.v, e.w] = true;
edgeCount++;
}