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gbazilio/passing-cars.py

Created January 29, 2017 13:34
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Codility - Passing cars
Raw
passing-cars.py
def solution(A):
passing_cars = 0
east_cars = 0
for index in xrange(len(A)):
if A[index] == 1:
passing_cars += east_cars
else:
east_cars += 1
if passing_cars > 1000000000:
return -1
return passing_cars if passing_cars <= 1000000000 else -1
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