returns size of the maze . concode_field_sep boolean[][] east concode_elem_sep boolean[][] south concode_elem_sep int DRAW_DELAY_MS concode_elem_sep boolean[][] north concode_elem_sep boolean[][] west concode_elem_sep Random rgen concode_elem_sep int N concode_field_sep void init concode_elem_sep boolean inBounds concode_elem_sep Iterable<Integer> adj concode_elem_sep int targetY concode_elem_sep int targetX concode_elem_sep void update concode_elem_sep void generatePopenSolvableMaze concode_elem_sep void draw concode_elem_sep void draw concode_elem_sep void draw concode_elem_sep void draw concode_elem_sep void drawDotsByIndex concode_elem_sep void drawDotsByXY concode_elem_sep void generateBlankMaze concode_elem_sep void generateSingleGapMaze concode_elem_sep void generateSingleGapMaze concode_elem_sep int V concode_elem_sep int xyTo1D concode_elem_sep boolean wallExists concode_elem_sep void drawEdges concode_elem_sep int toX concode_elem_sep int toY
int function ( ) { return N ; }