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First Fractions solution in Clear category for Oil Pie by tobytobytoby
from fractions import *
def divide_pie(groups):
n = sum([abs(x) for x in groups])
remaining = Fraction(1,1)
for i in groups:
if i > 0:
remaining -= Fraction(i,n)
else:
remaining -= remaining * Fraction(abs(i), n)
return [remaining.numerator, remaining.denominator]
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert isinstance((2, -2), (tuple, list)), "Return tuple or list"
assert tuple(divide_pie((2, -1, 3))) == (1, 18), "Example"
assert tuple(divide_pie((1, 2, 3))) == (0, 1), "All know about the pie"
assert tuple(divide_pie((-1, -1, -1))) == (8, 27), "One by one"
assert tuple(divide_pie((10,))) == (0, 1), "All together"
July 28, 2014
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