g++ main.cpp maze.cpp -o maze

xxx is an int for the x width of the maze (default 20)
yyy is an int for the y height of the maze (default 20)
enterX is an int for the column to enter the map (from the top, default 0)
exitX is an int for the column to exit the map (from the bottom, default -1)
  exitX of -1 makes exit on last column
print-solution is a bool value (1,0) for making the out-solved.svg (default 1)
scale is an int for size of SVG render (default 20)