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voith/sum_spiral_diagonals.py

Created November 28, 2019 02:42
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sum of the numbers on the diagonals in a 1001 by 1001 spiral
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sum_spiral_diagonals.py
grid_size = 1001
num = grid_size ** 2
sum_diagonals = num
for i in range(grid_size - 1, 0, -2):
for _ in range(4):
num -= i
sum_diagonals += num
print(sum_diagonals)
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