void bfs(Node **array, int sx, int sy, int maxx, int maxy){
NodeQueue nodelist;
nodelist.enqueue(&array[sx][sy]);
array[sx][sy].if_source=1;
array[sx][sy].if_watered=1;
while (!nodelist.empty()){
Node* temp=nodelist.top();
select(temp->height, temp->x-1, temp->y, maxx, maxy, array, &nodelist);
select(temp->height, temp->x+1, temp->y, maxx, maxy, array, &nodelist);
select(temp->height, temp->x, temp->y-1, maxx, maxy, array, &nodelist);
select(temp->height, temp->x, temp->y+1, maxx, maxy, array, &nodelist);
nodelist.dequeue();
}
}
int main()
{
try
{
NodeQueue<int> Queue;
Queue.enqueue(10);
Queue.enqueue(20);
Queue.enqueue(30);
std::cout<<"Top is: "<<Queue.front()<<'\n';
Queue.dequeue();
Queue.print();
}
catch(const std::string& e)
{
std::cout<<e<<'\n';
}
}