black and white tile

T

F

black tile number = tile_column number * (black tile_column number - 0.5)white tile number = tile_column number * (white tile_column number + 0.5)

black tile number = tile_column number * black tile_column numberwhite tile number = tile_column number * white tile_column number

Whether tile_row number is an even number

black tile_column number = (tile_row number +1) / 2white tile_column number =(tile_row number +1) / 2

black tile_column number = tile_row number / 2white tile_column number = tile_row number / 2

tile_row number = tile_row number + 1

tile_column number = tile_column number + 1

black tile number = tile_column number * black tile_column number - 0.5( tile_column number -1)white tile number = tile_column number * white tile_column number + 0.5( tile_column number -1)

width of tile = tile_column number * 10 

if  length of tile ≥ room length

START

black tile_row number = (tile_row number +1) / 2white tile_row number = (tile_row number - 1)  / 2

black tile_row number = tile_row number / 2white tile_row number = tile_row number / 2

tile_row number = 0tile_column number = 0tile length = 10

length of tile = tile_row number * 10 

Whether tile_column number is an even number