COMPILE AND RUN IN GC++ 11 COMPILER OR ABOVE - IMPORTANT
The grid, start and end points are specified in the main file in astar.cpp
the variable map in main() contains the input which can be modified. NOTE THAT Y axis is along the horizontal and X axis is along the VERTICAL. THIS IS IMPORTANT SINCE THE FINAL PATH OUTPUT IS BASED ON THIS FORMAT I.E "Y-AXIS SIDEWARD AND X AXIS DOWNWARD FOR THE GRID"