def timeTrial(n):
a = stdarray.create1D(n, 0)
for i in range(n):
a[i] = stdrandom.uniformInt(-1000000, 1000000)
watch = Stopwatch()
count = threesum.countTriples(a)
return watch.elapsedTime()
def timeTrial(n):
a = stdarray.create1D(n, 0)
for i in range(n):
a[i] = stdrandom.uniformInt(-1000000, 1000000)
watch = Stopwatch()
count = threesum.countTriples(a)
return watch.elapsedTime()
def main():
n = int(sys.argv[1])
cx = [0.000, 1.000, 0.500]
cy = [0.000, 0.000, 0.866]
x = 0.0
y = 0.0
stddraw.setPenRadius(0.0)
for i in range(n):
r = stdrandom.uniformInt(0, 3)
x = (x + cx[r]) / 2.0
y = (y + cy[r]) / 2.0
stddraw.point(x, y)
stddraw.show()
def main():
n = int(sys.argv[1])
cx = [0.000, 1.000, 0.500]
cy = [0.000, 0.000, 0.866]
x = 0.0
y = 0.0
stddraw.setPenRadius(0.0)
for i in range(n):
r = stdrandom.uniformInt(0, 3)
x = (x + cx[r]) / 2.0
y = (y + cy[r]) / 2.0
stddraw.point(x, y)
stddraw.show()
def sample(self):
length = len(self._a)
r = stdrandom.uniformInt(0, length)
return self._a[r]
def dequeue(self):
length = len(self._a)
r = stdrandom.uniformInt(0, length)
self._a[length - 1], self._a[r] = self._a[r], self._a[length - 1]
return self._a.pop()
def twodice():
a1 = stdrandom.uniformInt(0, 6)
a2 = stdrandom.uniformInt(0, 6)
return a1 + a2 + 2
def twodice():
a1 = stdrandom.uniformInt(1, 7)
a2 = stdrandom.uniformInt(1, 7)
return a1 + a2
def SicheDice():
d1 = [1, 3, 4, 5, 6, 8]
d2 = [1, 2, 2, 3, 3, 4]
a1 = stdrandom.uniformInt(0, 6)
a2 = stdrandom.uniformInt(0, 6)
return d1[a1] + d2[a2]
def sample(self):
length = len(self._a)
r = stdrandom.uniformInt(0, length)
return self._a[r]
def dequeue(self):
length = len(self._a)
r = stdrandom.uniformInt(0, length)
self._a[length-1], self._a[r] = self._a[r], self._a[length-1]
return self._a.pop()
# Accept a command-line argument argument which is a file name. Read
# an image from that file. Apply an image filter that makes it look
# like the image is being seen through glass. This effect is
# accomplished by plotting each pixel the color of a random
# neighboring pixel. Display the original image and the new one.
pic1 = Picture(sys.argv[1])
width = pic1.width()
height = pic1.height()
pic2 = Picture(width, height)
for col in range(width):
for row in range(height):
cc = (width + col + stdrandom.uniformInt(-5, 6)) % width
rr = (height + row + stdrandom.uniformInt(-5, 6)) % height
c = pic1.get(cc, rr)
pic2.set(col, row, c)
stddraw.setCanvasSize(width, height)
stddraw.picture(pic2)
stddraw.show()
#-----------------------------------------------------------------------
# python glass.py mandrill.jpg
# python glass.py mandrill.png
# python glass.py darwin.jpg
