g++ -c myMap.cpp -omyMap.o
g++ -c myList.cpp -omyList.o
g++ -c myGrid.cpp -omyGrid.o
g++ -c myEstimate.cpp -omyEstimate.o
g++ -c myAstar.cpp -omyAstar.o
g++ -c Astar.cpp -oAstar.o

g++ astar.cpp -oastar.exe myMap.o myList.o myGrid.o myEstimate.o myAstar.o
del *.o