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pavelpatrin/matrix.py

Created October 26, 2017 18:40
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matrix.py
def matrix(side_width):
for y in xrange(side_width):
for x in xrange(side_width):
ring_number = min(x, y, side_width - 1 - x, side_width - 1 - y)
ring_serial = x + y - 2 * ring_number
if x >= y:
ring_base = 4 * ring_number * (side_width - ring_number)
result = ring_base + ring_serial
else:
ring_ceil = 4 * (ring_number + 1) * (side_width - ring_number - 1)
result = ring_ceil - ring_serial
sys.stdout.write('%6s' % (result + 1))
sys.stdout.write('\n')
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https://habrahabr.ru/post/210796/

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