INIT_QUADTREE( 10 )
DISPLAY()
LIST_RECTANGLES()
CREATE_RECTANGLE( A234, 100, 300, 50, 10 )
RECTANGLE_SEARCH( B2056A )
INSERT( A234 )
SEARCH_POINT( 25, 40 )
DELETE_RECTANGLE( B2056C )
DELETE_POINT( 130, 301 )
TOUCH( A234 )
WITHIN( A234, 100 )
HORIZ_NEIGHBOR( AFDSA )
VERT_NEIGHBOR( 123456 )
NEAREST_RECTANGLE( 90, 40 )
WINDOW( 10, 10, 243, 123 )
NEAREST_NEIGHBOR( 5223AN )
LEXICALLY_GREATER_NEAREST_NEIGHBOR( s )
LABEL()