Program 1
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
for i in range( 0, N, 2 ):
x = border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
drawRow( win, H, W, N, border, side, 0 )
drawRow( win, H, W, N, border, side, 1 )
def main():
N = 8
border = 20
W = H = 200
side = ( W - 2*border ) / N
win = GraphWin( "board" )
drawBoard( win, H, W, N, border, side )
win.getMouse()
win.close()
Program 2
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
drawRow( win, H, W, N, border, side, 0 )
drawRow( win, H, W, N, border, side, 1 )
def main():
N = 8
border = 20
W = H = 200
side = ( W - 2*border ) / N
win = GraphWin( "board" )
drawBoard( win, H, W, N, border, side )
win.getMouse()
win.close()
main()
Program 3
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
for row in range( N ):
drawRow( win, H, W, N, border, side, row )
def main():
N = 8
border = 20
W = H = 200
side = ( W - 2*border ) / N
win = GraphWin( "board" )
drawBoard( win, H, W, N, border, side )
win.getMouse()
win.close()
main()
Program 4
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
for row in range( N ):
drawRow( win, H, W, N, border, side, row )
def main():
N = 12
border = 20
W = H = 200
side = ( W - 2*border ) / N
win = GraphWin( "board" )
drawBoard( win, H, W, N, border, side )
win.getMouse()
win.close()
main()
Program 5
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
for row in range( N ):
drawRow( win, H, W, N, border, side, row )
def main():
N = 12
border = 20
side = 20
W = H = border * 2 + N * side
win = GraphWin( "board", W, H )
drawBoard( win, H, W, N, border, side )
win.getMouse()
win.close()
main()
Program 6
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
for row in range( N ):
drawRow( win, H, W, N, border, side, row )
def drawQueens( win, H, W, N, border, side, solution ):
row = solution[0][0]
col = solution[0][1]
centerX = border + col * side + side/2
centerY = border + row * side + side/2
c = Circle( Point( centerX, centerY ), side/4 )
c.setFill( "red" )
c.draw( win )
def main():
N = 8
border = 20
side = 20
W = H = border * 2 + N * side
win = GraphWin( "board", W, H )
#--- draw the board ---
drawBoard( win, H, W, N, border, side )
#--- position 8 queens ---
solution = [ [0,0],[1,4],[2,7],[3,5],[4,2],[5,6],[6,1],[7,3] ]
drawQueens( win, H, W, N, border, side, solution )
win.getMouse()
win.close()
main()
Program 7
from graphics import *
def drawRow( win, H, W, N, border, side, row ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( "black" )
r.draw( win )
def drawBoard( win, H, W, N, border, side ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
for row in range( N ):
drawRow( win, H, W, N, border, side, row )
def drawQueens( win, H, W, N, border, side, solution ):
for i in range( N ):
row = solution[i][0]
col = solution[i][1]
centerX = border + col * side + side/2
centerY = border + row * side + side/2
c = Circle( Point( centerX, centerY ), side/4 )
c.setFill( "red" )
c.draw( win )
def main():
N = 8
border = 20
side = 20
W = H = border * 2 + N * side
win = GraphWin( "board", W, H )
#--- draw the board ---
drawBoard( win, H, W, N, border, side )
#--- position 8 queens ---
solution = [ [0,0],[1,4],[2,7],[3,5],[4,2],[5,6],[6,1],[7,3] ]
drawQueens( win, H, W, N, border, side, solution )
win.getMouse()
win.close()
main()
Program 8
from graphics import *
def drawRow( win, H, W, N, border, side, row, color ):
offset = (row % 2) * side
for i in range( 0, N, 2 ):
x = offset + border + i * side
y = border + row * side
x1 = x + side
y1 = y + side
r = Rectangle( Point( x, y ),
Point( x1, y1 ) )
r.setFill( color )
r.draw( win )
def drawBoard( win, H, W, N, border, side, color ):
# draw border
r = Rectangle( Point( border, border ),
Point( W-border, H-border ) )
r.draw( win )
# draw small squares
for row in range( N ):
drawRow( win, H, W, N, border, side, row, color )
def drawQueens( win, H, W, N, border, side, solution, queenColor ):
for i in range( N ):
row = solution[i][0]
col = solution[i][1]
centerX = border + col * side + side/2
centerY = border + row * side + side/2
c = Circle( Point( centerX, centerY ), side/4 )
c.setFill( queenColor )
c.draw( win )
def main():
N = 8
border = 20
side = 20
W = H = border * 2 + N * side
darkColor = raw_input( "What color do you want for the dark squares? " )
queenColor = raw_input( "what color should the queens be? " )
win = GraphWin( "board", W, H )
#--- draw the board ---
drawBoard( win, H, W, N, border, side, darkColor )
#--- position 8 queens ---
solution = [ [0,0],[1,4],[2,7],[3,5],[4,2],[5,6],[6,1],[7,3] ]
drawQueens( win, H, W, N, border, side, solution, queenColor )
win.getMouse()
win.close()
main()
